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William H. Crumpacker
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Walla Walla, WA, US
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last 30 patents
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Patent Grant
Wrench
Patent number
4,160,394
Issue date
Jul 10, 1979
William H. Crumpacker
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Grant
Thread reconditioning tool
Patent number
3,956,787
Issue date
May 18, 1976
William H. Crumpacker
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR