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Paul B. Hafeli

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  • El Toro, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self locking nut
    • Patent number 5,090,854
    • Issue date Feb 25, 1992
    • Artifex Ltd.
    • Paul B. Hafeli
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lock nut
    • Patent number 4,990,043
    • Issue date Feb 5, 1991
    • Rexnord Holdings Inc.
    • Paul B. Hafeli
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...