TREA

Universal Scientific Company

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  • Vincennes, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for perforating an article
    • Patent number 4,122,736
    • Issue date Oct 31, 1978
    • Universal Scientific Company
    • Robert S. Price
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...