Patents by Inventor Peggy I. Key

Peggy I. Key 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: D338288
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: August 10, 1993
    Inventor: Peggy I. Key