Patents by Inventor Douglas M. Walker

Douglas M. Walker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5445114
    Abstract: A training harness for use by a sport climber in practicing sport climbing is disclosed. The harness comprises a waist encircling member and two leg encircling portions. Straps connect the leg encircling portions to the waist encircling member. At least one compartment or receptacle is formed integrally in the waist member, and a thin sheet of heavy material is removably received in each of the compartments or receptacles in the waist member. At least one compartment or receptacle is formed integrally in each of the leg encircling portions, and a thin sheet of heavy material is removably received in each of the compartments or receptacles in the leg encircling portions.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: August 29, 1995
    Inventor: Douglas M. Walker