TREA

Charles A. Hentzen

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  • Woodbury, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Medical article having fluid control film
    • Patent number 7,910,790
    • Issue date Mar 22, 2011
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Medical article having fluid control film
    • Patent number 7,781,639
    • Issue date Aug 24, 2010
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drug delivery dressing having fluid control film
    • Patent number 6,867,342
    • Issue date Mar 15, 2005
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Medical article having fluid control film
    • Patent number 6,420,622
    • Issue date Jul 16, 2002
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    MEDICAL ARTICLE HAVING FLUID CONTROL FILM
    • Publication number 20100318072
    • Publication date Dec 16, 2010
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Medical article having fluid control film
    • Publication number 20020128578
    • Publication date Sep 12, 2002
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Drug delivery dressing having fluid control film
    • Publication number 20020082540
    • Publication date Jun 27, 2002
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES