Patents by Inventor Frank George Roach

Frank George Roach 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).

  • Coated punch
    Patent number: 4095449
    Abstract: A punch used for extruding tin plated cans consisting of a cemented tungsten carbide punch body coated with a thin layer of titanium nitride.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: June 20, 1978
    Assignee: The Valeron Corporation
    Inventors: Frank George Roach, Paul Fred Woerner