Patents by Inventor Donald Coburn

Donald Coburn 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: D493229
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: July 20, 2004
    Inventors: Donald Coburn, Andrew Coburn