Patents by Inventor Mary A. DeWitt

Mary A. DeWitt 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).

  • Pedicure pad
    Patent number: D306084
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: February 13, 1990
    Inventors: Norma L. Volz, Mary A. DeWitt