Patents by Inventor Walter W. Kemmerer

Walter W. Kemmerer 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: D293492
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: December 29, 1987
    Assignee: Guild Molders, Inc.
    Inventor: Walter W. Kemmerer