Patents by Inventor Jack L. Leach

Jack L. Leach 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).

  • Portable seat and back rest
    Patent number: 4502728
    Abstract: A portable seat and back rest that can be folded for convenient carrying includes a seat and back rest having spring steel plates as frames and covered by foam pads. The curvature of the back rest is controlled by a slide assembly movable on tracks on the rear of the back rest.
    Type: Grant
    Filed: October 8, 1982
    Date of Patent: March 5, 1985
    Assignee: Nepsco, Inc.
    Inventors: Samuel B. Sheldon, Jack L. Leach, Scott A. Harkness