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Lewis M. Koppel

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  • Amherst, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anode for a plasma arc torch
    • Patent number 4,896,017
    • Issue date Jan 23, 1990
    • The Carborundum Company
    • Lewis M. Koppel
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR