Crawford; Curtis J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crawford; Curtis J..The latest application filed is for "slot machine using a count valve to award bonus game".
- Crawford; Curtis J. - Las Vegas NV
- Crawford; Curtis J. - Henderson NV
| Patent | Date |
|---|---|
| Slot machine using a count valve to award bonus game Grant 6,984,173 - Piechowiak , et al. January 10, 2 | 2006-01-10 |
| Slot machine with symbol save feature Grant 6,270,412 - Crawford , et al. August 7, 2 | 2001-08-07 |
| Bonus award feature in a gaming machine Grant 6,168,523 - Piechowiak , et al. January 2, 2 | 2001-01-02 |
| Bonus award feature in linked gaming machines having a common feature controller Grant 6,012,982 - Piechowiak , et al. January 11, 2 | 2000-01-11 |
| Slot machine with symbol save feature Grant 5,997,401 - Crawford December 7, 1 | 1999-12-07 |
| Linked gaming machines having a common feature controller Grant 5,580,309 - Piechowiak , et al. December 3, 1 | 1996-12-03 |
| SEC | 0001014318 | CRAWFORD CURTIS J |
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