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5775919 |
Combination bulletin/write board
A bulletin/write board includes opaque first member intended to be mounted on a wall or positioned upstanding on a horizontal surface. At least one overlay member is pivotally secured to said first...
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5769639 |
Multi-educational device
A self-corrective, reversible device comprising a handled, slotted framework, on each side of which the top frame is imprinted with inverse mathematical symbols, below which is a number line from...
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5752837 |
Tool kit for facilitators and trainers
A kit or cohesive group of reusable elements to aid a facilitator or trainer to enhance interchange and organization of group discussions comprising portable foldable backboards, plastic erasable,...
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5727952 |
Edge-encapsulated writing board
A dry marker board including a sheet of material having a writing surface upon which felt tip, erasable ink markers may be used. Preferably, the writing sheet is a sheet of ceramic-on-steel...
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5716217 |
Water base ink compositions for neon boards
A water base ink composition for writing on neon boards which comprises: (a) water in amounts of not less than 30% by weight; (b) hollow resin particles dispersed in the water, in amounts of...
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5649828 |
Writing board system
A writing board system comprises a white board having a writing surface for receiving a written mark thereupon, a liquid tank filled with water liquid for erasing the written mark from the writing...
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5626478 |
Portable coaching device and method
The portable coaching device includes a thin, rigid support board having opposed sides and a perimeter. One side is covered with a white coating capable of being written upon with a dry erase...
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5607312 |
Writing board with an automatic erase device
A writing board with an automatic erase device includes a frame, a driving roller and a supporting roller rotatably mounted on the frame in a parallel manner, an endless writing sheet trained...
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5599189 |
Reusable learning aid
A learning aid permitting the student to insert a worksheet into a rigid body having space between two planes. One of the planes is clear permitting the instructor to mark on it, performing the...
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5554034 |
Workpiece organizer
An organizer is disclosed herein for identifying a workpiece with a noted project or owner on a work chart. The chart has rows and columns containing indicia characterizing the workpiece and...
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5533900 |
Stencil holder and kit and method of making an image
A stencil set comprises a platform and a covering tab for detachably mounting at least one, and preferably four, stencils in a fixed position with respect to the platform and a writing surface. The...
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5529501 |
Electronic writing/erasing apparatus for rewritable heat sensitive sheet
First and second switches, which are to be operated by a user, are provided on a pen-shaped housing. A first heat generating head for writing an image on a rewritable heat sensitive sheet is...
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5492476 |
Fold out display
A fold out display is particularly adapted to support a wide variety of different types of group work activities, team projects, and the like, and includes a free standing base which fixedly...
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5482295 |
Round robin drawing game board
A drawing game board comprising a cover board which is fastened to a drawing board by mating hook and loop pile fastener material. The surface of the drawing board which is hidden by the cover...
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5441418 |
Thermochromic drawing device
A thermochromic drawing device is disclosed which can be marked and erased by selectively changing the temperature of its drawing surface. The drawing surface of the drawing device consists of a...
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5409383 |
Multi-functional writing device
A writing device is disclosed wherein a clear overlay is pivotally attached to an underlying enclosure. A support surface is formed on the enclosure beneath the clear overlay. Paper forms may be...
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5367350 |
Overhead projector illustration slate
The overhead projector dry-erase accessory of this invention comprises a transparent, rigid, multi-layered body (12) into which overhead transparencies can be placed and utilized. The multiple...
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5284445 |
Portable drawing surface with interchangeable components
This invention relates generally to portable drawing surfaces and more particularly to a base structure with interchangeable components. The invention permits the manufacture of a base structure...
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5263866 |
Game board apparatus
A portable game board structure is arranged to provide for coaches and the like to illustrate various plays and examples relative to a game playing situation. The game board includes a rigid...
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5213504 |
Coloring toy
A liquid non-poisonous, non-metallic, edible, water soluble coloring fluid fills a felt-tipped marker. A plastic box houses the marker or a plurality of the markers. A surface on the box receives...
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5207582 |
Breast self-examination facilitator
A device for facilitating breast self-examinations in order to speed up detection of breast cancer. The device includes an information panel, preferably manufactured from a waterproof acrylic...
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5203702 |
Writing board kit having light-sensitive self-illuminating drawing surface
A kit is arranged to provide a housing having a light-sensitive self-illuminating web receiving templates thereon, wherein a flashlight member is directed onto the templates, and more specifically...
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5186631 |
Magnetic display device
A magnetic display device having a case in which a magnetic display panel is fixedly mounted. To erase the magnetic display on the display panel, an eraser magnet mounted on a vertically elongated...
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5176522 |
Erasable marker board assembly
A display device upon which erasable indicia may be written comprises a rigid frame encompassing a planar marking surface and corners joining elements of the frame. The frame comprises an elongated...
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5163846 |
Toy using water reactive paper
A toy has a frame with a display area for receiving a water reactive paper. The paper has a brightly colored substrate covered by a surface layer of silica and resin which becomes transparent when...
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5163845 |
Portable free-standing visual aid
A portable, free-standing visual aid designed to be used by coaches, teachers and other group leaders. The invention incorporates a large chalkboard, a chalk tray, sliding, two-sided inserts, a...
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5146345 |
Foldable electronic print board with centrally located printer for stability
A foldable electronic print board copies or records, on recording paper, various patterns of information, including letters, numerals, images, etc., which have been handwritten on a writing sheet....
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5137453 |
Note pad product for use in shower or bath
A product comprising a waterproof note pad having a surface which may be written upon when wet and which may be erased by the use of a wet, soapy sponge or cloth. A pocket removably attached to the...
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5131849 |
Teaching board apparatus
A board apparatus is arranged for educational presentation of inter-relationship relative to atomic particles and their associated energy levels relative to interaction of such particles, wherein...
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5115330 |
Liquid crystal writing slate
A slate, such as a writing/drawing slate, includes a base supporting a laminate which has an LC-layer (liquid crystal layer) formed of polymeric material holding micro-volumes of liquid crystal...
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5067287 |
Display wall assembly
In accordance with the invention a wall assembly for displaying visual messages, has a front portion, a display area in the front portion, the display area providing an opening through the wall...
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5024332 |
Non-smear erasable label kit
A method and apparatus for placing identifying information on video cassettes, computer floppy disks, containers, file folders, and the like, whereby the identifying information is erasable. The...
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4996110 |
White board
A white board comprises a front surface layer composed of a polyester film having undergone a hard coat treatment and a rear surface layer composed of a sheet-like magnet. The white board can be...
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4978568 |
Flexible writing surface
A flexible writing surface including a coated flexible substrate having a dust collecting cuff around the perimeter thereof to prevent the scattering of chalk dust during use.
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4863113 |
Writing tablet
An erasable writing tablet for notation of dimensions and other information. The erasable writing table is adapted to be attached to a tape measure or any other conforming receptive surface. The...
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4813711 |
Video tape index
A video tape index conveniently catalogs programs on a video tape cassette. The index comprises an indexing card laminate having a core ply printed with grids and headings suitable for organizing...
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4803564 |
Electronic blackboard system
An electronic blackboard system is composed of: angle irons fixed to an information writing board or to a wall surface above the information writing board; a guide rail which is secured to the...
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4797106 |
Electronic blackboard system
An electronic blackboard system capable of using an existing white board or blackboard which may even be one that is already installed on a wall.
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4797107 |
Copyable blackboard
A copyable blackboard has: a written member on which a picture including such as characters or figures is depicted a first carrier for carrying the written member, a light source for irradiating...
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4786010 |
Tape measure
An erasable writing tablet for notation of dimensions and other information. The erasable writing table is adapted to be attached to a tape measure or any other conforming receptive surface. The...
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4777329 |
Graphic input system
A graphic input system determining position coordinate data of a mobile element on a writing surface by measuring the transit times of ultrasonic signals and an electromagnetic signal. The mobile...
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4722145 |
Reusable marking system
A reusable marking system comprising a high impact styrene plastic marking surface and a specially formulated water soluble marking ink. The ink is carried in a felt tip marker and can be removed...
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4627110 |
Article of wearing apparel with an erasable writing surface
An article of wearing apparel, such as a shirt, has a writing surface provided on a prominent portion thereof when worn by a user. A written message or other image may be applied to the writing...
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4590381 |
Phosphorescent marking system
A device of phosphorescent material on which luminescent images are formed and retained for a period of time is disclosed. The device includes phosphorescent material in the form of a sheet mounted...
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4587568 |
Electronic print board
A pattern erasably written on a black board or a flexible sheet in a meeting is printed to a hard copy through scanning of the pattern by an image sensor which provides an electrical signal...
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4487586 |
Framed board with writing surface
A board intended to be used as a writing surface is provided with a frame and with a complementary border constituting one inseparable entity. The frame is continuous all around the periphery with...
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4427391 |
Convertible drawing article of furniture
A convertible drawing article of furniture includes a support structure and a drawing board which can be mounted on the support structure in a prostrate position or in an upright position, so that...
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4317956 |
Remote chalkboard automatic cursor
A telautograph system allows a user at one location to write on a special surface, such as a chalkboard, and have the image appear at remote screens. Presently, a user wishing to call attention to...
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3949132 |
Marking boards and erasable ink compositions therefor
An ink composition for writing instruments having a porous writing point, which will write satisfactorily on relatively smooth, hard surfaces (e.g. solid plastic surfaces) and which can easily be...
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3781536 |
ILLUMINATED DIVER'S SLATE
A reusable, illuminated diver's slate or writing tablet which utilizes a rge of chemiluminescent material. Light from the charge, preferably having wavelengths within a predetermined range, is...
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