Patents by Inventor Dale E. Frey

Dale E. Frey 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: D312666
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: December 4, 1990
    Assignee: Peter Mandas
    Inventors: Paul H. Lempke, Dale E. Frey