TREA

John W. Rovang

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  • New Ulm, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rupturable seal
    • Patent number 6,893,696
    • Issue date May 17, 2005
    • 3M Innovative Properties Company
    • Paul E. Hansen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Plastic container with rupturable seal
    • Publication number 20070080078
    • Publication date Apr 12, 2007
    • Paul E. Hansen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Nonwoven plastic pouch separator
    • Publication number 20040247813
    • Publication date Dec 9, 2004
    • 3M Innovative Properties Company
    • Paul E. Hansen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL