Douglas William Strohm

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Sammamish, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Baseball simulation game
- Patent number 7,648,141
- Issue date Jan 19, 2010
- Douglas William Strohm
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
BASEBALL SIMULATION GAME
- Publication number 20080277868
- Publication date Nov 13, 2008
- Douglas William Strohm
- A63 - SPORTS GAMES AMUSEMENTS