Patents by Inventor Harry J. Graham

Harry J. Graham 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: D255539
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: June 24, 1980
    Inventor: Harry J. Graham