Patents by Inventor Donald W. Seibold

Donald W. Seibold 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).

  • Portable telephone equipment cabinet chassis
    Patent number: D265478
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: July 20, 1982
    Assignee: Western Electric Company, Incorporated
    Inventors: Gary G. Seaman, Donald W. Seibold