|
| Patents for A63D 5 - Accessories for bowling-alleys or table alleys (1,014) |
|---|
| 12/07/1976 | US3995377 Universal spot bowling aid | | 11/30/1976 | US3994493 Bowling accessory device | | 10/26/1976 | US3988023 Bowling ball return mechanism | | 08/17/1976 | US3975014 Lawn bowling apparatus | | 08/10/1976 | US3974483 Time-shareable automatic bowling score computer | | 06/29/1976 | US3966206 Bowling pin alignment apparatus to uniformly align bowling pins end-for-end | | 06/22/1976 | US3964744 Bowling pin and ball sorting apparatus | | 06/08/1976 | US3962699 Switch closure responsive logic signal generation means | | 06/08/1976 | US3962689 Memory control circuitry | | 06/01/1976 | US3960454 Apparatus for cleaning bowling lanes | | 05/04/1976 | US3954264 Bowling pin sweeper apparatus for automatic bowling alleys | | 03/02/1976 | US3941379 Pin rope control | | 01/13/1976 | US3931966 Electronic scorer for bowling games | | 01/06/1976 | US3931499 Bowling game counter |
|