Patents by Inventor Wilbur E. DeGroff

Wilbur E. DeGroff 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: D287940
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: January 27, 1987
    Inventor: Wilbur E. DeGroff