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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 5197250 | Wide expansion joint system An expansion joint sytem (10) spans a slot (12) of adjacent concrete slabs (14, 16). The system includes a boxed out area (22) adjacent the slot. A plate member (32) extends across the slot. A preformed resilient pad (42) is positioned above the plate mem... | 03/30/1993 |
| 5196455 | Self-leveling sealant composition and method relating thereto The present invention relates to a one-part, self-leveling urethane sealant composition for substantially horizontal surfaces, wherein the sealant will flow within a crack, joint or the like and quickly cure to provide an elastomeric seal having a smooth,... | 03/23/1993 |
| 5160826 | FT-IR spectrometer window and method An FT-IR spectrometer (10) operated for analysis by reflectance spectroscopy, has a window (56) having a body (58) which generally transmits radiation in the visible range there through. The window has a surface (60) for supporting a sample (72) of materi... | 11/03/1992 |
| 5137184 | Caulking gun and cartridge A caulking gun with the open supporting framework that has a forwardly disposed ring member and a rearwardly disposed trigger actuating mechanism that is cooperative with a rod member with teeth thereon to advance the piston on the one end of the rod memb... | 08/11/1992 |
| 5124372 | Non-sag agent and composition and method relating thereto A non-sag agent useful in providing non-sag properties to many conventional curable, polymeric adhesives and sealants, said agent comprising: a first component comprising crush resistant coated particles wherein the first component particles are less than abou... | 06/23/1992 |
| 5110972 | Process for recycling silicone scrap and products relating thereto The present invention relates generally to the re-utilization of silicone scrap material. More specifically, the process of the present invention is directed to dissolving silicone scrap in an appropriate solvent and chemically converting the scrap into d... | 05/05/1992 |
| 5106663 | Double-paned window system having controlled sealant thickness The present invention relates generally to multi-paned window systems and to the manufacture of such systems. More specifically, the present invention is directed to an improved window system having an innovative seal comprising crush resistant beads or t... | 04/21/1992 |
| 5008311 | Substantially solvent free asphaltic and method relating thereto The present invention relates to a compatibalizing agent useful in compatibalizing a substantially non-polar compound, such as asphalt, with a substantially polar organic compound, such as an isocyanate prepolymer. The compatibalizing agent consisting of ... | 04/16/1991 |
| 4988400 | Method and apparatus for treating the surface of an insulating strip A method and apparatus for treating the surface of an insulating strip for use in the manufacture of multi-pane windows. The apparatus and methods of one embodiment of the invention includes a texturing roller which leaves a textured impression in a surfa... | 01/29/1991 |
| 4923348 | Protective cap construction and method A protective cap for fastener heads includes a preformed member formed of a naturally tacky compound of unvulcanized butyl rubber, a reinforcing layer of a non-woven polyester fabric, and a silicone-coated polyethylene release liner. The preformed member ... | 05/08/1990 |
| 4894405 | Concrete and masonry waterproofing composition A concrete and masonry waterproofing composition comprises a major amount of a polyurethane and a minor amount of a penetrant. The polyurethane is desirably made from a polyether polyol or a polyester polyol intermediate, wherein the polyol is a diol or a... | 01/16/1990 |
| 4870150 | Polyurethanes made from blends of polypropyleneoxide polyol and polybutyleneoxide polyol intermediates A high performance urethane sealant or coating composition is made from a physical blend of a polypropyleneoxide polyol intermediate and a high molecular weight polybutyleneoxide polyol intermediate or copolymers thereof wherein the comonomer is preferabl... | 09/26/1989 |
| 4835130 | Selectively permeable zeolite adsorbents and sealants made therefrom The invention relates to an improved adsorbent, essentially impermeable to oxygen and nitrogen but permeable to water vapor, and to sealants incorporating said adsorbent. The adsorbent comprises outgassed zeolite having pores with apertures large enough t... | 05/30/1989 |
| 4745711 | Selectively permeable zeolite adsorbents and sealants made therefrom The invention relates to an improved adsorbent, essentially impermeable to oxygen and nitrogen but permeable to water vapor, and to sealants incorporating said adsorbent. The adsorbent comprises outgassed zeolite having pores with apertures large enough t... | 05/24/1988 |
| 4431691 | Dimensionally stable sealant and spacer strip and composite structures comprising the same A dimensionally stable sealant and spacer strip comprising an elongated ribbon of deformable sealant enveloping and having embedded therein spacer means extending longitudinally of the ribbon of sealant. The thickness of the enveloping sealant extends bey... | 02/14/1984 |
| 4400338 | Method for making sealant The method of making a deformable sealant strip having a continuous strip of rigid corrugated material embedded longitudinally within mastic material wherein a continuous linear-rigid spacer is first corrugated and then fed in this condition into an extru... | 08/23/1983 |
| 4265967 | Waterproofing sheet material A waterproofing sheet material useful for example as a free floating membrane or flashing material in roofing applications, a pond liner, or a gasketing material, composed of from about 15 wt. % to about 80 wt. % of an ingredient selected from the group c... | 05/05/1981 |
| 4264674 | Waterproofing sheet material A waterproofing sheet material useful for example as a free floating membrane or flashing material in roofing applications, a pond liner, or a gasketing material, composed of from about 15 wt. % to about 80 wt. % of an ingredient selected from the group c... | 04/28/1981 |
| 4235953 | Waterproofing sheet material A waterproofing sheet material useful for example as a free floating membrane or flashing material in roofing applications, a pond liner, or a gasketing material, composed of from about 15 wt. % to about 80 wt. % of an ingredient selected from the group c... | 11/25/1980 |
| 4067844 | Urethane polymers and sealant compositions containing the same Novel, curable polyurethane polymers in which a proportion of the NCO terminations are reacted with certain amino silanes, or with the residual on reaction of a mercaptosilane with a monoepoxide, or with the residual on reaction of an epoxysilane with a s... | 01/10/1978 |
