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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 4863104 | Spray gun apparatus An apparatus for spraying liquidous mixtures via compressed air is described. The design allows extensive use of plastic in its construction, employs a minimum of parts and allows complete assembly and reassembly with only a minimum of hand tools. The dev... | 09/05/1989 |
| 4802575 | Food store coupon organizer A coupon organizing system having a carrying case sized to receive a coupon filing assembly, a plurality of shopping tools and a sorter. The filing assembly includes a plurality of pages having first indicia means and a plurality of substantially overlapp... | 02/07/1989 |
| 4784212 | Building perimeter thermal energy control system A microprocessor-based perimeter thermal energy control system regulates heating and cooling in the perimeter area of a building in accordance with instantaneous and integrated heat flow measurements and instantaneous temperature deviation measurements. C... | 11/15/1988 |
| 4776091 | Razor with blade replacement cartridge A razor having a hollow handle housing a cartridge adapted to receive replacement blade units. The cartridge includes channels having specially configured holding portions enabling extraction of a blade unit by a razor head in a manner similar to that use... | 10/11/1988 |
| 4729331 | Lightweight inflatable swim raft anchor apparatus A fastener pad formed on one side with an adhesive bond and defining an eye for receipt of a hook. The hook is connected with a suction cup by means of the coiled tether.... | 03/08/1988 |
| 4723115 | Power line cord filtering assembly A power line cord filtering assembly for use with an electrical device and comprising a plug adapted to be connected to electrical mains, a power line cord and filter apparatus arranged in series with said plug, power line cord and electrical device, the ... | 02/02/1988 |
| 4681302 | Energy absorbing barrier An energy absorbing barrier for dissipating kinetic energy upon impact by a moving vehicle. The barrier comprises walls defining a container closed except for a fill opening to admit water. Various configurations of side walls are disclosed. The side wall... | 07/21/1987 |
| 4535370 | Magnetic tape reel write protect mechanism A mechanism to protect a reel of tape against the risk of inadvertent over-writing or erasure, including an actuator installed in the reel hub and rotatable between two angular positions from the front face of the reel, even when mounted on a tape drive. ... | 08/13/1985 |
| 3983401 | Method and apparatus for target support in electron projection systems Apparatus and a corresponding method for supporting a wafer of target material for exposure to a beam or pattern of electrons with little or no distortion of the electric field used to accelerate the electrons from a cathode to the target. In one embodime... | 09/28/1976 |
