Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5300973 | Track image registration system A slide track, pin registration system for registering photosensitive media to light exposure equipment. The system includes one or more slide tracks and each of which contain media registration pins. The slide tracks are orthogonally mounted within groov... | 04/05/1994 |
| 5255052 | Image control board An imaging support assembly for precise and repeatable alignment and registration of plural, planar workpieces having a plurality of projecting registration pin assemblies. The workpieces contain holes where projecting pins of the registration pin assembl... | 10/19/1993 |
| 4977683 | Image control board A board for precise and repeatable alignment and registration of plural workpieces includes a planar board member (10) with a plurality of registration pins (28,30,32) mounted thereon. The workpieces have holes in which the registration pins are received.... | 12/18/1990 |
