Patents by Inventor Donald Earl Douds

Donald Earl Douds 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).

  • Tire tread
    Patent number: D383422
    Type: Grant
    Filed: January 17, 1996
    Date of Patent: September 9, 1997
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Andrew Arpad Kunos, Jerold Robert Buenger, Karl Eric Sundkvist, Donald Earl Douds