Patents by Inventor John P. Bingham

John P. Bingham 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: 5029392
    Abstract: This is concerned with a punch sometimes referred to as a draw punch which is constructed and arranged for enlarging holes in a large variety of materials, such as sheet metal, for example in junction boxes and the like where large tools cannot be used. More specifically this is concerned with a punch of the above type which is constructed and arranged to cut the metal or slug into two pieces so that they may be removed from the die without the assistance of a prying tool.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: July 9, 1991
    Assignee: Ideal Industries, Inc.
    Inventors: John P. Bingham, Edwin R. Burgess, III.