Patents by Inventor Roy E. Harden

Roy E. Harden 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: D662116
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: June 19, 2012
    Inventors: Roy E. Harden, Keith T. Downs