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 |
| 7210385 | Bevel locking system for a sliding compound miter saw A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Furthe... | 05/01/2007 |
| 7111363 | Door hinge structure for refrigerator Disclosed herein is a door hinge structure for a refrigerator. The door hinge structure comprises an upper fixture unit which is screwed to a predetermined front upper portion of a refrigerator body, and has an upper hinge pin to be inserted in a top aperture formed... | 09/26/2006 |
| 7013781 | Bevel locking system for a sliding compound miter saw A power tool includes a table. A shaft is disposed on the table and has an axis. A support housing supporting a motor and a working tool driven by the motor is disposed on the shaft adjacent to the table. The support housing is axially movable along the shaft and be... | 03/21/2006 |
| 6952860 | Hinge structure incorporated with a rotary actuator In a hinge structure suitable for use in a foldable mobile phone, the initial unfolding action is effected by converting a pushing stroke of an operating member into a rotational movement of the hinge by using a cam/cam follower mechanism. Thereby, an unexpected rea... | 10/11/2005 |
| 4312097 | Counterbalance support A counterbalance support for hingedly mounting a cover on a cabinet for vertical swinging movements between horizontally disposed closed and vertically disposed open positions, which features an arrangement for maintaining a counterbalance spring device i... | 01/26/1982 |
| 4010572 | Door closer having means to neutralize the door closing force exerted thereby A door closer has an air cylinder which, when pressurized, neutralizes the door closing force applied by the closer so that the door will open with relative ease. The air cylinder is pressurized through a valve which is contained within the door and is op... | 03/08/1977 |
