Patents by Inventor Harold A. Stephenson

Harold A. Stephenson 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).

  • Cuspidor support
    Patent number: D250631
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: December 26, 1978
    Inventor: Harold A. Stephenson
  • Cuspidor handle
    Patent number: D251655
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: April 24, 1979
    Inventor: Harold A. Stephenson