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David L. Nielsen

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  • Manton, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for making a corrugated tube
    • Patent number 5,132,073
    • Issue date Jul 21, 1992
    • Cadillac Rubber & Plastics, Inc.
    • David L. Nielsen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL