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Gary R. Spiegelberg

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  • Lagrange, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power supply for SMAW welding and stud welding
    • Patent number 4,241,285
    • Issue date Dec 23, 1980
    • Erico Products, Inc.
    • Kenneth A. Golonka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Stud welding apparatus and process
    • Patent number 4,214,144
    • Issue date Jul 22, 1980
    • Erico Products, Inc.
    • Gary R. Spiegelberg
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR