Keenan O. Holte

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Tempe, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Sporting event options market trading game
- Patent number 5,713,793
- Issue date Feb 3, 1998
- Oris, L.L.C.
- Keenan O. Holte
- A63 - SPORTS GAMES AMUSEMENTS