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 |
| D492560 | Power tool | 07/06/2004 |
| 6757982 | Safety improvements for power tool A hand-held power tool includes a cutting blade within a housing (5) and a guard (10) placed over the operating head of the tool. The guard is movable in the direction (1) in order to expose the blade during cutting. The sliding mechanism is imp... | 07/06/2004 |
