TREA

William A. Conrad

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  • Harleysville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bridge design for tamper evident closures
    • Patent number 5,152,413
    • Issue date Oct 6, 1992
    • The West Company, Incorporated
    • William A. Conrad
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...