Patents by Inventor Boyce Leatherman

Boyce Leatherman 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: 4507566
    Abstract: A gasoline engine is equipped with an auxiliary driven wheel selectively engageable with a driving wheel on the shaft of an electric motor mounted for movement relative to the gasoline engine and operable from a remote point. A compact housing enables use of the invention on existing equipment, such as a lawnmower, or installation as original equipment at the time of manufacture.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: March 26, 1985
    Inventors: Ralph W. Leatherman, Boyce Leatherman