John G. Howe

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Tennis racket
- Patent number 4,275,885
- Issue date Jun 30, 1981
- AMF Incorporated
- John G. Howe
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Apparatus for measuring the combined resistance to displacement of...
- Patent number 4,116,054
- Issue date Sep 26, 1978
- John G. Howe
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of making plastic ski
- Patent number 4,044,083
- Issue date Aug 23, 1977
- AMF Incorporated
- John G. Howe
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Plastic ski and method of making the same
- Patent number 3,930,658
- Issue date Jan 6, 1976
- AMF Incorporated
- John G. Howe
- A63 - SPORTS GAMES AMUSEMENTS