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Carl R. Douglass, III

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  • Willmar, MN, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    HEAT-FUSIBLE GASKET AND METHOD OF MANUFACTURE
    • Publication number 20120153578
    • Publication date Jun 21, 2012
    • PRINSCO, INC.
    • Carl R. Douglass, III
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    RIB CONSTRUCTION FOR LARGE DIAMETER PIPE FITTINGS
    • Publication number 20120074696
    • Publication date Mar 29, 2012
    • PRINSCO, INC.
    • Carl R. Douglass, III
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL