deKeller; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for deKeller; David.The latest application filed is for "method and game device for playing keno or a lottery".
- deKeller; David - Cape Town N/A ZA
| Patent | Date |
|---|---|
| Method and system for playing a casino game Grant 8,439,362 - deKeller May 14, 2 | 2013-05-14 |
| Method and game device for playing keno or a lottery Grant 7,179,167 - deKeller February 20, 2 | 2007-02-20 |
| Method and system for playing a casino game Grant 6,719,291 - deKeller April 13, 2 | 2004-04-13 |
| Method and game device for playing keno or a lottery App 20030017867 - deKeller, David | 2003-01-23 |
| Casino game and device therefor Grant 6,467,771 - deKeller October 22, 2 | 2002-10-22 |
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