Patents by Inventor Nancy C. Duncan

Nancy C. Duncan 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).

  • Foot massager
    Patent number: D298776
    Type: Grant
    Filed: August 19, 1986
    Date of Patent: November 29, 1988
    Assignee: Nancy C. Duncan
    Inventors: Nancy C. Duncan, Louis O. Schorsch
  • Foot massager
    Patent number: D299749
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: February 7, 1989
    Assignee: Nancy C. Duncan
    Inventors: Nancy C. Duncan, Louis O. Schorsch