Patents by Inventor Donald Paul Downs

Donald Paul Downs 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).

  • Oval key bow
    Patent number: D689759
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: September 17, 2013
    Assignee: Schlage Lock Company LLC
    Inventors: Rockwood Theodore Roberts, III, Ajeya Suratkal Rao, Kevin Earl David, Donald Paul Downs