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John S. Perryman
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Kinnelon, NJ, US
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last 30 patents
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Patent Grant
Methods and apparatus for measuring ski boot binding torque
Patent number
4,928,535
Issue date
May 29, 1990
Oshman's Sporting Goods, Inc.
John S. Perryman
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Apparatus and method for measuring muscular strength of lower human...
Patent number
3,988,931
Issue date
Nov 2, 1976
John S. Perryman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE