Patents by Inventor Egon Wiethoff

Egon Wiethoff 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).

  • Outdoor condensing unit
    Patent number: D463540
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: September 24, 2002
    Assignee: Copeland Corporation
    Inventors: Norbert Kammer, Frank Beving, Egon Wiethoff