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Richard J. Greenhorn
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Stow, OH, US
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last 30 patents
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Patent Grant
Method and apparatus for grooving tire tread
Patent number
4,782,881
Issue date
Nov 8, 1988
The Goodyear Tire & Rubber Company
Max D. Brinkley
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL