Patents by Inventor Donald A. Doepker

Donald A. Doepker 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).

  • Mail sorting table unit
    Patent number: D294314
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: February 23, 1988
    Inventors: George F. Brun, Jr., Donald A. Doepker