TREA

Frederick L. Zinck

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  • Glenolden, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reversible ratchet head assembly
    • Patent number 6,789,447
    • Issue date Sep 14, 2004
    • Frederick L. Zinck
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reversible ratchet head assembly
    • Patent number 6,568,298
    • Issue date May 27, 2003
    • Frederick L. Zinck
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reversible pneumatic motor assembly
    • Patent number 6,431,846
    • Issue date Aug 13, 2002
    • Frederick L. Zinck
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Automatic ratchet reversal device
    • Patent number 5,562,015
    • Issue date Oct 8, 1996
    • Frederick L. Zinck
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Air motor reversing throttle
    • Patent number 5,423,350
    • Issue date Jun 13, 1995
    • Frederick L. Zinck
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS