Patents by Inventor Nicholas R. Simpson

Nicholas R. Simpson 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).

  • Stove guard
    Patent number: D279073
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: June 4, 1985
    Inventors: Nicholas R. Simpson, Ronald U. Rempe