TREA

Charles W. Schuler

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  • Columbus, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tapping apparatus and method
    • Patent number 4,399,829
    • Issue date Aug 23, 1983
    • Charles W. Schuler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...