Patents by Inventor M. Leonard Thompson

M. Leonard Thompson 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).

  • Cutter assembly for broaching
    Patent number: 4274766
    Abstract: An indexable insert broach for finishing a cylindrical surface is disclosed. The inserts are mounted on the body of the broach in helical arrays of increasing radii.
    Type: Grant
    Filed: November 28, 1979
    Date of Patent: June 23, 1981
    Assignee: The Valeron Corporation
    Inventors: Arthur J. Raupp, Jr., Michael N. Gerasin, M. Leonard Thompson
  • Cutter assembly for broaching
    Patent number: 4273479
    Abstract: An indexable insert broach for finishing a cylindrical surface is disclosed. The inserts are mounted on the body of the broach in helical arrays of increasing radii.
    Type: Grant
    Filed: November 28, 1979
    Date of Patent: June 16, 1981
    Assignee: The Valeron Corporation
    Inventors: Arthur J. Raupp, Jr., Michael N. Gerasin, M. Leonard Thompson