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David R. Downs

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  • Yakima, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Computer adjustable case handling machine
    • Patent number 4,821,203
    • Issue date Apr 11, 1989
    • Marq Packaging Systems, Inc.
    • Bernard J. Carlton
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD