Christopher A. Calhoun

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Newport News, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of playing a sentence forming game
- Patent number 5,547,199
- Issue date Aug 20, 1996
- Christopher A. Calhoun
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Maze type board game
- Patent number 5,333,878
- Issue date Aug 2, 1994
- Christopher A. Calhoun
- A63 - SPORTS GAMES AMUSEMENTS