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8142833 |
Clear silicone material for the registration of fingerprints
The present invention is related to clear crosslinkable polymeric masses for the registration of fingerprints, allowing to obtain positive reproductions of fingerprints by taking a photograph...
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8142834 |
Fingerprint detection
A method of and apparatus (2) for locating and detecting a fingerprint deposited on a surface (10), the method comprising setting up an electric field such that a differential charge density is...
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8025852 |
Lifting and preserving bloody impressions for law enforcement
A fluorogenic lifting strip containing titanium dioxide has been successful in the lifting and enhancement of impressions and bloody impressions from nonporous, semi porous and porous surfaces. The...
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8026328 |
Hydrophobic silica particles and methods of making same
A method of preparing hydrophobic silica particles includes the step of reacting together in a single step a mixture of silane ether monomers and organically modified silane ether monomers with a...
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7906192 |
Non-intrusive portable safety seal used to obtain people's DNA and genetic patterns through fingerprinting
A non-intrusive portable safety seal to collect human organic remnants in order to obtain DNA and genetic patterns of fingerprints is provided. The proposed seal comprises four related basic...
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7700932 |
Method, set, and apparatus for obtaining prints of a part of the human body
A part of a human body is caused to contact the surface layer of a recording medium over which a plurality of metallic grains with an outside size of 200 nm or less are distributed. Then,...
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7515252 |
Optical fingerprint imaging system and method with protective film
An optical fingerprint imaging system comprises an optically transparent platen and a protective film removably attached to the platen with an adhesive. The protective film protects the platen from...
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7465472 |
Method for developing latent fingerprints
A method for developing latent fingerprints includes placing an apparatus in an area having one or more objects. The apparatus has a breakable capsule containing a cyanoacrylate monomer disposed...
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7323207 |
Method and apparatus for fingerprint detection
A portable apparatus for detecting latent fingerprints that discharges a vapor of a cyanoacrylate-containing solution. The apparatus comprises a reservoir for holding a liquid solution comprising...
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7186438 |
Artificial finger print liquid, testing method for optical information medium using it, and optical information medium
A testing method for an optical information medium using an artificial fingerprint. The artificial fingerprint is made of an artificial fingerprint liquid comprising a fine-particle-form substance...
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7087265 |
Image developing device
The invention relates to a device for developing latent or hidden images. The device includes a first substrate containing a hidden or latent image printed on a first surface thereof, wherein the...
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7009190 |
Method and apparatus for capturing an image
A method of forming a contact image of an object on an imaging sheet including a bistable thermally responsive material is described, wherein the method comprises applying energy to the imaging...
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6893488 |
Fingerprint compound and method
A printing compound suitable for recording unique surface characteristics of an object such as a person's finger, palm or foot, tire tread or shoe sole, on a porous medium such as paper, is...
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6845382 |
Pet identification system and method
A system and method for identification and retrieval of lost pets such as dogs. The system includes methods to obtain accurate noseprints either by chemical transfer system or with closeup...
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6841188 |
Method of developing latent fingerprints
A method of developing latent fingerprints involves the preparation of an 8-quinolinol complex by mixing a solution of 8-hydroxyquinoline or a derivative with a complexing reagent such as a metal...
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6835409 |
Method of recording fingerprints on a recording surface having a thermosenstivive color developing layer thereon
A method of recording fingerprints in which a solution of monohydrogen or dihydrogen ester having an AAV of about 9 or more is applied to a person's fingerprint area with the area then pressed onto...
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6805073 |
Self contained fingerprint ink/inkless reagent applicator and recording substrate
A self contained three sheet fingerprint applicator and recording substrate utilizes a base sheet (10) adapted to be fixed to a suitable surface, such as a package, for receiving the fingerprint,...
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6749919 |
Inkless fingerprint composition and applicator therefor
A nonstaining ink (or inkless) fingerprint composition and applicator comprises two nonpermeable foil strips, made of Mylar, for example, having the same width with one strip being slightly longer...
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6725802 |
Ink pad dispenser
An ink dispenser includes a lower case having a cavity whereat a ceramic imprint ink dispensing plate is releasably retained by flexible tabs and including provisions for mechanically, frictionally...
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6720564 |
Method and apparatus for fingerprint detection and analysis
A method of detecting fingerprints on a substrate includes ion beam mixing materials associated with the fingerprint into the substrate to create an ion beam mixed fingerprint; and analyzing the...
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6693441 |
Capacitive fingerprint sensor with protective coating containing a conductive suspension
A capacitive fingerprint sensor includes a polymeric protective coating defining a sensing surface and having conductive particles suspended therein. The conductive particles act as parallel...
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6660054 |
Fingerprint processing chamber with airborne contaminant containment and adsorption
A fingerprint capture or processing apparatus incorporates a casing defining a sealable chamber, a first support in the chamber for holding a source of a chemical fingerprint fixative agent, a...
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6659038 |
Safety identification device
Safety identification device for collecting fingerprints and DNA related material from an individual, for use in verifying the identity of an individual, such as in documents and forms. The device...
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6592929 |
Method of exposing and developing a fingerprint from the surface of an oxidized metal object
A method is used to expose a fingerprint on the surface of a metallic object which is covered with a layer of a metallic oxide such as rust. The metallic oxide is dissolved with a reagent which...
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6350338 |
Reflected light glare minimization for athletic contest
A method and product for reducing reflected light glare into a human's eyes from the human's cheeks while simultaneously providing a non-verbal communication to others is provided, especially for...
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6349455 |
Method for forming piezoelectric/electrostrictive film element at low temperature using electrophoretric deposition
A method for forming piezoelectric/electrostrictive film element at low temperature using electrophoretic deposition includes the steps of: dissolving or dispersing the raw material of constituent...
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6340495 |
Device including a chromophoric composition to be applied to the skin, a method of fabricating such a device, and uses therefor
The invention relates to device making it possible to apply a chromophoric composition to the skin, said device including a chromophoric composition containing at least one chromophoric agent. The...
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6298805 |
Fingerprint ink dispensing apparatus
A fingerprint ink pad arrangement, for use in taking rolled fingerprints, includes an ink reservoir formed of a porous material positioned against the inner wall of a cup shaped housing with a...
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6186688 |
Disposable magnetic fingerprint brush
A Magnetic, latent fingerprint development brush featuring a non-rigid, removable, disposable cover/body, to be used when developing latent fingerprints on contaminated surfaces. The cover can be...
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6162485 |
Fingerprinting system and method
A system for forming fingerprints comprises a substrate bearing a designated print image-forming area and a localized coating of pressure-sensitive microcapsules containing a substantially...
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6162486 |
Process for acquiring fingerprints and device for implementing this process
Process for acquiring fingerprints, characterized in that it comprises the following steps: coating, with the aid of an ink, the surfaces of the fingers of a hand whose prints are to acquired;...
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6120784 |
Anti-bacterial/anti-viral coatings, coating process and parameters thereof
The invention relates to a method of imparting anti-pathogenic properties to a substrate material comprising: (a) preparing a coating composition containing an anti-pathogenic agent consisting...
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6048570 |
Evidence-preserving container and method of using the container
An carrying container and method for holding and transporting evidence, the case having a base portion and a cover portion and both vertically and horizontally adjustable securing means. The base...
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5979357 |
Evidence sealing tape with fingerprint identification zone
A verification assembly (10) for the verification of an article (34) so as to prevent tampering and positively identify the article (34) for use in future legal proceedings. The assembly (10)...
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5928708 |
Positive identification and protection of documents using inkless fingerprint methodology
A method and process to be utilized on any printed document, which, for example, include but are not limited to airline tickets, labels, checks, bonds, passports, green cards, prescription slips,...
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5879454 |
Finger-moistening means for fingerprint recognizing apparatus
A finger-moistening device for fingerprint recognizing apparatus includes: a container filled with a non-volatile oil or liquid in the container, a powder-metallurgy made roller rotatably mounted...
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5871804 |
Flourescent lipid reagent
The invention disclosed relates to a composition and method for enhancing the contrast of the lipid component of fingerprints and the like. The composition includes a metal chelate of the...
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5737071 |
Method and apparatus for enhancing live-scan fingerprint reader images
A method and apparatus for improving the optical boundary between a person's fingerprint ridges and the surface platen of a live-scan-imaging apparatus includes providing an absorbent pad...
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5721006 |
Fingerprinting system
A fingerprinting system including a substrate treated with a reagent solution including an aromatic polyhydroxy compound and an antioxidant, and a developer solution including a color forming water...
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5709746 |
Self-contained fingerprint kit
A self-contained fingerprint kit includes first, second, and third (or more) panels each having a top face and a bottom face with panel joining adhesive along the exterior edges of at least some of...
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5605650 |
Security of articles, goods, vehicles or premises
A method is disclosed for detecting tampering, comprising applying to at least a portion of a surface of an object a composition comprising at least one fluorescent material and a solvent medium...
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5601867 |
Method and apparatus for generating fingerprints and other skin prints
Inkless skin printing apparatus and method featuring unique cooperation of common, harmless, odorless solvent in association with ordinary thermal (fax) paper material. The skin area is coated with...
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5599391 |
Fingerprinting device
A fingerprinting device including a hollow housing having a finger receiving entryway, a paper exit, and a charcoal-laden pad coupled thereto for receiving fingers of a user's hand thereupon; a...
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5482373 |
Thermochromatic indicator for beverage containers
A temperature indicator system includes a temperature sensing assembly attachable to a beverage container. The temperature sensing assembly includes a temperature sensor in the form of a...
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5462597 |
System for inkless fingerprinting
A fingerprinting system comprising means capable of releasably retaining a liquid and a liquid composition releasably retained in said means, said liquid composition comprising a leuco color-former...
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5424092 |
Apparatus for cyanoacrylate fingerprint developing and method of use therefore
A housing for developing latent fingerprints is formed by positioning a thermally stable porous support material in a hollow tubular member and impregnating the support material with a liquid...
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5398812 |
Fingerprint systems employing iodine-based marking fluid
A marking system comprising a rigid container and a quantity of fabric located therein and a quantity of marking fluid to saturate the fabric, the marking fluid comprised of a two to nine percent...
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5395445 |
Method and apparatus for detecting fingerprints on skin
A method for rendering latent fingerprints at a site on a portion of skin detectable. The method comprises the steps of forming a cyanoacrylate vapor from a cyanoacrylate, conducting the...
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5378492 |
Latent fingerprint detection method
A latent fingerprint detection method including dipping latent fingerprints in a solution, the solution including a ruthenium tetroxide and a solvent including a halogen-containing hydrocarbon...
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5348159 |
Enhancement of polycyanoacrylate-developed fingerprints
The invention disclosed relates to a composition and method for enhancing the contrast of polycyanoacrylate-developed fingerprints and the like. The composition includes a metal chelate of the...
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