Patents by Inventor Bobby G. Graham

Bobby G. 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).

  • Submersible pump
    Patent number: D268412
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: March 29, 1983
    Assignee: Little Giant Pump Company
    Inventors: Lee W. Davis, Bobby G. Graham, John M. Walker