TREA

Ralph Petersen

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  • DeWitt, NE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rapid jaw adjustment for tools and the like
    • Patent number 5,203,797
    • Issue date Apr 20, 1993
    • Petersen Manufacturing Co., Inc.
    • Ralph Petersen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Compound toggle link
    • Patent number 5,056,385
    • Issue date Oct 15, 1991
    • Petersen Manufacturing Co., Inc.
    • Ralph Petersen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS