Patents by Inventor Robin W. Shepherd

Robin W. Shepherd 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: D250312
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: November 21, 1978
    Inventors: Joseph Z. Duke, Walter S. Ring, Robin W. Shepherd