Patents Represented by Law Firm Harris, Kern, Wallen & Tinsely
  • Backpack
    Patent number: 4420103
    Abstract: A backpack with integral frame formed of plastic sheets without metal supports. A load carrying sack having a front face, a pair of shoulder straps and a waistband, and a support pad mounted on the front face, the pad comprising a foam sheet of a first height, a stiffener sheet of a second height less than said first height, and a protective sheet, with the three sheets attached to the front face by stitching forming vertical panels and upper and lower horizontally pivoting structures with a stiff intermediate structure.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: December 13, 1983
    Assignee: Wilderness Group Inc.
    Inventor: Donald C. Douglass