Patents by Inventor Philip C. Ziegler

Philip C. Ziegler 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).

  • Garden tool
    Patent number: D251582
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: April 17, 1979
    Assignee: Creative Products Co.
    Inventors: Philip C. Ziegler, Philip G. Ziegler