Patents by Inventor Willard Gueringer

Willard Gueringer 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: D339713
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: September 28, 1993
    Inventor: Willard Gueringer