Patents by Inventor Peggy Mason Hayes

Peggy Mason Hayes 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: D304657
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: November 21, 1989
    Inventor: Peggy Mason Hayes