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John A. Herr

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  • West Chesterfield, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct multi-tension indicating washer having bumps of a first and...
    • Patent number 6,425,718
    • Issue date Jul 30, 2002
    • Applied Bolting Technology Products Inc.
    • John A. Herr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Direct tension indicating washers
    • Patent number 6,152,665
    • Issue date Nov 28, 2000
    • Applied Bolting Technology Products, Inc.
    • Ivan Wayne Wallace
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Direct tension indicating washers
    • Patent number 5,931,618
    • Issue date Aug 3, 1999
    • Applied Bolting Technology Products, Inc.
    • Ivan Wayne Wallace
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Direct tension indicating washers
    • Patent number 5,769,581
    • Issue date Jun 23, 1998
    • Applied Bolting Technology Products, Inc.
    • Ivan Wayne Wallace
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...