Patents by Inventor Frank R. Washburn

Frank R. Washburn 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).

  • Golf shoes
    Patent number: 4149324
    Abstract: A comfortable golf shoe made exclusively for golfers having a negative heel with the edges of the sole of the left shoe rolled outwardly and inwardly and the sole of the right shoe rolled on the inner edge only to promote proper turn and body movement and provide the extra power for the stroke and to prevent movement of the feet within the shoes with appropriate padded shaped portions, preventing callouses and foot damage from the constant weight shifting in making the proper golfing stroke.
    Type: Grant
    Filed: January 25, 1978
    Date of Patent: April 17, 1979
    Inventors: Les Lesser, Frank R. Washburn