Maurice E. Mitchell

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Walnut Creek, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Educational device and method
- Patent number 4,650,424
- Issue date Mar 17, 1987
- Maurice E. Mitchell
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Educational entertainment device comprising cubes formed of four 1/...
- Patent number 4,461,480
- Issue date Jul 24, 1984
- Maurice E. Mitchell
- A63 - SPORTS GAMES AMUSEMENTS