Patents by Inventor Donald Henry Harms

Donald Henry Harms 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).

  • Hyperbolic membrane chair
    Patent number: D726430
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: April 14, 2015
    Inventors: Donald Henry Harms, Lutrell Fredrick Harms