Patents by Inventor Darryl D. Stewart

Darryl D. Stewart 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).

  • Protector for shoe heel
    Patent number: D300580
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: April 11, 1989
    Inventor: Darryl D. Stewart