Douglas Poffenberger

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Mason, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Game scoring kit
- Patent number 7,040,623
- Issue date May 9, 2006
- Douglas Poffenberger
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Game scoring kit
- Publication number 20060061034
- Publication date Mar 23, 2006
- Douglas Poffenberger
- A63 - SPORTS GAMES AMUSEMENTS