William E. Sapp

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Riverside, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for exercise and physical therapy
- Patent number 4,915,379
- Issue date Apr 10, 1990
- William E. Sapp
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Strength training amusement device for simulating arm-wrestling
- Patent number 4,805,900
- Issue date Feb 21, 1989
- William E. Sapp
- A63 - SPORTS GAMES AMUSEMENTS