Patents by Inventor John R. Nottingham

John R. Nottingham 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: D254439
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: March 11, 1980
    Inventors: John R. Nottingham, John W. Spirk, Jr.
  • Patent number: D257374
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: October 14, 1980
    Inventors: John R. Nottingham, John W. Spirk, Jr.