Patents by Inventor Ruth Washington Watkins

Ruth Washington Watkins 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).

  • Electric comb
    Patent number: D796116
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: August 29, 2017
    Inventor: Ruth Washington Watkins