Patents by Inventor Fred Walter

Fred 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).

  • Patent number: D400451
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: November 3, 1998
    Assignee: Delta
    Inventor: Fred Walter