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William K. Diehl

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  • Waterloo, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve ball stop clip
    • Patent number 4,176,682
    • Issue date Dec 4, 1979
    • Deere & Company
    • William K. Diehl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Internal check ball retainer
    • Patent number 4,155,374
    • Issue date May 22, 1979
    • Deere & Company
    • William K. Diehl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...