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James L. Christofferson

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  • Longmont, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheelchair seatback with two-point mounting hardware
    • Patent number 8,197,009
    • Issue date Jun 12, 2012
    • Sunrise Medical (US) LLC
    • Thomas J. Whelan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Shapeable wheelchair seatback assembly
    • Patent number 7,896,438
    • Issue date Mar 1, 2011
    • Sunrise Medical HHG, Inc.
    • Thomas J. Whelan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Wheelchair seat back with two-point mounting hardware
    • Patent number 7,857,394
    • Issue date Dec 28, 2010
    • Sunrise Medical HHG Inc.
    • Thomas J. Whelan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Wheelchair seat cushion
    • Patent number 7,614,704
    • Issue date Nov 10, 2009
    • Sunrise Medical HHG Inc.
    • Thomas J. Whelan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Seat cushion and method for carrying pressure-distributing medium i...
    • Patent number 7,146,666
    • Issue date Dec 12, 2006
    • Sunrise Medical HHG Inc.
    • James L. Christofferson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Seat back assembly
    • Patent number 6,688,693
    • Issue date Feb 10, 2004
    • Sunrise Medical HHG Inc.
    • James L. Christofferson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Wheelchair seat back pelvic support system
    • Patent number 6,059,370
    • Issue date May 9, 2000
    • Sunrise Medical HHG Inc.
    • Brian D. Kanyer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Notched support pads for cushioning wheelchair seatback
    • Patent number 6,033,025
    • Issue date Mar 7, 2000
    • Sunrise Medical HHG Inc.
    • James L. Christofferson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Quick release seat
    • Patent number 5,947,562
    • Issue date Sep 7, 1999
    • Sunrise Medical HHG Inc.
    • James L. Christofferson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents