TREA

Richard A. Duba

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  • Appleton, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ergonomic TIG torch
    • Patent number 6,399,913
    • Issue date Jun 4, 2002
    • Illinois Tool Works Inc.
    • Michael A. Sammons
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spark gap assembly for a welding power supply
    • Patent number 6,384,374
    • Issue date May 7, 2002
    • Illinois Tool Works Inc.
    • Ronald W. Colling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR