Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4696234 | Device for destroying water mines and mine-sweeping method This invention relates to an apparatus for destroying sea mines, especially anchored cable mines, and to an improved mine-sweeping method. The apparatus consists of an active device and upthrust mechanisms which permit the active device to climb up the an... | 09/29/1987 |
| 4535696 | Device for underwater missiles for use against submerged submarines A device for underwater missiles for use against submerged submarines, said missiles including a housing (1) having a front portion, intended to contact the outside surface of a submarine. According to the invention, a tubular ring member (6) is rotatably... | 08/20/1985 |
| 4020780 | Mooring cable cutting system An improved cable or chain cutting implement comprises a two piece body pion with sharpened cutting edges on one end thereof. The two pieces of the body portion are configured so as to encompass a towing or sweep cable in gripping relation thereto. A spr... | 05/03/1977 |
