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Leonard A. Jenkins

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rigid packaging using gas-permeable membrane
    • Patent number 5,692,634
    • Issue date Dec 2, 1997
    • Weirton Steel Corporation
    • Leonard A. Jenkins
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...