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Thomas G. Oei

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  • Allentown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-controlled safety switch for a punch press
    • Patent number 6,114,690
    • Issue date Sep 5, 2000
    • Penn Engineering & Manufacturing Corp.
    • Thomas G. Oei
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...