TREA

Craig D. Quarberg

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  • Brooklyn Park, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Locking mechanism for telescoping tubular poles
    • Patent number 5,549,407
    • Issue date Aug 27, 1996
    • Structron Corporation
    • Avraham Y. Levi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seat belt buckle guard
    • Patent number 5,307,544
    • Issue date May 3, 1994
    • Quarberg; Craig D.
    • Craig D. Quarberg
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Locking mechanism for telescoping tubular poles
    • Patent number 5,011,319
    • Issue date Apr 30, 1991
    • A. C. Innovations, Inc.
    • Avraham Y. Levi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Extendable pole locking mechanism for ladder stabilizer
    • Patent number 4,949,809
    • Issue date Aug 21, 1990
    • A. C. Innovations, Inc.
    • Avraham Y. Levi
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder stabilizer
    • Patent number 4,899,849
    • Issue date Feb 13, 1990
    • A. C. Innovations, Inc.
    • Avraham Y. Levi
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS