TREA

Robert D. Kampfer

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  • Oakdale, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wire wound tooling
    • Patent number 7,052,639
    • Issue date May 30, 2006
    • 3M Innovative Properties Company
    • Michael R. Gorman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Wire wound tooling
    • Patent number 6,902,389
    • Issue date Jun 7, 2005
    • 3M Innovative Properties Company
    • Michael R. Gorman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus and method for making a mechanical fastener
    • Patent number 6,592,800
    • Issue date Jul 15, 2003
    • 3M Innovative Properties Company
    • Leon Levitt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Elastic fastener
    • Patent number 6,489,003
    • Issue date Dec 3, 2002
    • 3M Innovative Properties Company
    • Leon Levitt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for forming headed stem mechanical fasteners
    • Patent number 6,132,660
    • Issue date Oct 17, 2000
    • 3M Innovative Properties Company
    • Robert D. Kampfer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Coextruded mechanical fastener constructions
    • Patent number 6,106,922
    • Issue date Aug 22, 2000
    • 3M Innovative Company
    • John E. Cejka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Superimposed embossing of capped stem mechanical fastener structures
    • Patent number 6,000,106
    • Issue date Dec 14, 1999
    • 3M Innovative Properties Company
    • Robert D. Kampfer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Superimposed embossing of capped stem mechanical fastener structures
    • Patent number 5,868,987
    • Issue date Feb 9, 1999
    • MinnesotaMining and Manufacturing
    • Robert D. Kampfer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Wire wound tooling
    • Publication number 20060188599
    • Publication date Aug 24, 2006
    • 3M Innovative Properties Company
    • Michael R. Gorman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Wire wound tooling
    • Publication number 20050181179
    • Publication date Aug 18, 2005
    • 3M Innovative Properties Company
    • Michael R. Gorman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Wire wound tooling
    • Publication number 20040229739
    • Publication date Nov 18, 2004
    • 3M Innovative Properties Company
    • Michael R. Gorman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Elastic fastener
    • Publication number 20030015819
    • Publication date Jan 23, 2003
    • 3M Innovative Properties Company
    • Leon Levitt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL