Patents by Inventor Larry Willingham

Larry Willingham 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).

  • Cover for open topped compartments which is movable between stowed and covering positions
    Patent number: 5125713
    Abstract: A cover system for preventing loss of loose material such as sand, gravel or plant clippings from open topped compartments such as dump truck bodies or trailers, storage bins or the like. The cover system includes a roller system for moving a cover sheet from a first, stowed, position away from the open compartment top to a second, deployed, position in which material in the compartment is closely confined by the cover sheet.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: June 30, 1992
    Inventors: Larry Willingham, Lynn Chenowth