Patents by Inventor Myrna R. Willis

Myrna R. Willis 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: D331514
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: December 8, 1992
    Inventors: Stephon R. Willis, Myrna R. Willis