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 |
| 6367342 | Indexing drive and transmission Indexing drives associated with a transmission each include a housing having a plurality of guideways, actuators slidably mounted in the guideways and a carrier with follower elements. The actuators include drive elements which can extend to the follower ... | 04/09/2002 |
| 5044055 | Hydraulically operated spindle carrier clamping mechanism A clamping mechanism is provided to prevent movement of the rotatable stock carrier of a multiple spindle bar machine after it has rotated into position for the machining operation. The clamping mechanism comprises a controllable locking pin to engage ind... | 09/03/1991 |
| 4753162 | Turret brake for multi-color screen printer A multi-color printing apparatus for automatically screen printing workpieces in diverse colors. The apparatus has a plurality of printing units spaced about a central support. A number of radially extending support arms cantilevered from the central supp... | 06/28/1988 |
