Devaull; John W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Devaull; John W..The latest application filed is for "bonus accumulator for chance game".
- Devaull; John W. - Absecon NJ
| Patent | Date |
|---|---|
| Bonus accumulator for a wagering game Grant 7,654,897 - Devaull , et al. February 2, 2 | 2010-02-02 |
| Bonus accumulator for chance game App 20040214631 - Devaull, John W. | 2004-10-28 |
| Bonus accumulator for a wagering game App 20040110555 - Devaull, John W. ; et al. | 2004-06-10 |
| Bonus accumulator for chance game Grant 6,739,971 - Devaull May 25, 2 | 2004-05-25 |
| Bonus accumulator for chance game App 20020151346 - Devaull, John W. | 2002-10-17 |
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