Hooker; Donald E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hooker; Donald E..The latest application filed is for "game with an electromagnetic ball detector".
- Hooker; Donald E. - Glen Ellyn IL
- Hooker; Donald E. - Wilmette IL
| Patent | Date |
|---|---|
| Game with an electromagnetic ball detector Grant 4,542,905 - Hooker September 24, 1 | 1985-09-24 |
| Gaming apparatus having manually controllable operating speed Grant 4,440,036 - Hooker , et al. April 3, 1 | 1984-04-03 |
| Drive mechanism for a variable speed gaming device Grant 4,433,844 - Hooker , et al. * February 28, 1 | 1984-02-28 |
| Gaming apparatus having manually controllable operating speed Grant 4,430,903 - Hooker , et al. February 14, 1 | 1984-02-14 |
| Rotatable reel indexing having shock absorbing capability Grant 4,427,196 - Hooker , et al. January 24, 1 | 1984-01-24 |
| Variable speed gaming device Grant 4,373,727 - Hooker , et al. February 15, 1 | 1983-02-15 |
| Coin acceptor apparatus Grant 4,257,512 - Hooker March 24, 1 | 1981-03-24 |
| Amusement apparatus Grant 4,241,920 - Hooker December 30, 1 | 1980-12-30 |
| Device with hold and advance feature for the reels of a game machine Grant 4,200,291 - Hooker April 29, 1 | 1980-04-29 |
| Slot machine apparatus Grant 4,184,683 - Hooker January 22, 1 | 1980-01-22 |
| Magnetic reel reading device Grant 4,071,246 - Hooker January 31, 1 | 1978-01-31 |
| Amusement apparatus Grant 4,037,845 - Hooker July 26, 1 | 1977-07-26 |
| Device For Displaying Randomly Selected Symbol Combinations And Randomly Operative Player Operated Symbol Changing Means Therefor Grant 3,733,075 - Hooker , et al. May 15, 1 | 1973-05-15 |
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