TREA

Michael C. Walgren

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  • Lake Havasu City, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microtrencher blade
    • Patent number D1040197
    • Issue date Aug 27, 2024
    • The Charles Machine Works, Inc.
    • Michael C. Walgren
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Microtrencher blade
    • Patent number D925627
    • Issue date Jul 20, 2021
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Microtrencher blade
    • Patent number D925628
    • Issue date Jul 20, 2021
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Microtrencher blade
    • Patent number D925626
    • Issue date Jul 20, 2021
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Microtrenching blade and tooth
    • Patent number D796292
    • Issue date Sep 5, 2017
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • D08 - Tools and hardware
  • Information Patent Grant

    Microtrenching blade and tooth
    • Patent number D796291
    • Issue date Sep 5, 2017
    • The Charles Machines Works, Inc.
    • Cody L. Sewell
    • D08 - Tools and hardware
  • Information Patent Grant

    Tooth
    • Patent number D795932
    • Issue date Aug 29, 2017
    • The Charles Machine Works, Inc.
    • Brant Douglas Kukuk
    • D15 - Machines not elsewhere specified