Patents by Inventor Glenn L. Walter

Glenn L. Walter 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).

  • Novelty hat
    Patent number: D251157
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: February 27, 1979
    Inventor: Glenn L. Walter