Matches 1 - 50 out of 116 1 2 3 >


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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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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;...
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...
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...
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)...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 116 1 2 3 >