TREA

Keith M. Johnson

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  • Coon Rapids, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Prosthetic heart valve system
    • Patent number 8,029,564
    • Issue date Oct 4, 2011
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Prosthetic heart valve system
    • Patent number 7,503,929
    • Issue date Mar 17, 2009
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Heart valve system
    • Patent number 7,468,073
    • Issue date Dec 23, 2008
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Heart valve system
    • Patent number 7,189,258
    • Issue date Mar 13, 2007
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Prosthetic heart valve system
    • Patent number 7,033,390
    • Issue date Apr 25, 2006
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Rotatable suturing ring for prosthetic heart valve
    • Patent number 5,766,240
    • Issue date Jun 16, 1998
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dynamic annulus heart valve employing preserved porcine valve leaflets
    • Patent number 5,449,384
    • Issue date Sep 12, 1995
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Prosthetic heart valve
    • Patent number 4,808,180
    • Issue date Feb 28, 1989
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dynamic annulus heart valve and reconstruction ring
    • Patent number 4,339,831
    • Issue date Jul 20, 1982
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Prosthetic Heart Valve System
    • Publication number 20090198323
    • Publication date Aug 6, 2009
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Prosthetic heart valve system
    • Publication number 20060235510
    • Publication date Oct 19, 2006
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Heart valve system
    • Publication number 20060195181
    • Publication date Aug 31, 2006
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Prosthetic heart valve system
    • Publication number 20040024451
    • Publication date Feb 5, 2004
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HEART VALVE SYSTEM
    • Publication number 20030125805
    • Publication date Jul 3, 2003
    • Medtronic, Inc.
    • Keith M. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE