Darrell Ronnie Otwell

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Newbury Park, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Theater-based gaming system enabling a multi-player game throughout...
- Patent number 7,278,920
- Issue date Oct 9, 2007
- Warner Bros. Entertainment, Inc.
- Paul R. Klamer
- A63 - SPORTS GAMES AMUSEMENTS