Patents by Inventor Steven G. Parsons

Steven G. Parsons 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).

  • Broaching device and method
    Patent number: 5615467
    Abstract: A broaching device and method for enlarging an opening, hollow or cavity in a workpiece comprises a broaching tool which is mounted on, or formed on, either the shaft or the nut of a ballscrew drive unit which includes a ballscrew shaft and a ballscrew nut.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: April 1, 1997
    Assignee: Thomson Saginaw Ball Screw, Inc.
    Inventors: Mark J. Simmons, Steven G. Parsons