TREA

Robert L. Hillberg

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  • Cheshire, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pistol grip assembly
    • Patent number 4,472,901
    • Issue date Sep 25, 1984
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Handgun
    • Patent number 4,424,638
    • Issue date Jan 10, 1984
    • COP, Inc.
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Handgun
    • Patent number 4,416,078
    • Issue date Nov 22, 1983
    • COP, Inc.
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Handgun firing mechanism
    • Patent number 4,407,085
    • Issue date Oct 4, 1983
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Multi-barrel handgun firing mechanism
    • Patent number 4,400,900
    • Issue date Aug 30, 1983
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Firearm having inertially responsive safety mechanism
    • Patent number 4,400,901
    • Issue date Aug 30, 1983
    • COP, Inc.
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Trigger retaining and stabilizing means
    • Patent number 4,392,320
    • Issue date Jul 12, 1983
    • Robert L. Hillberg
    • F41 - WEAPONS
  • Information Patent Grant

    Signal launcher
    • Patent number 3,988,849
    • Issue date Nov 2, 1976
    • Bellmore-Johnson Tool Co.
    • William J. Connellan
    • F41 - WEAPONS