Patents by Inventor Arthur Thomas Bartram

Arthur Thomas Bartram 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: 5810112
    Abstract: An electrically powered drive mechanism for providing powered assistance to a vehicle steering mechanism. The drive mechanism includes a clutch responsive to drivingly isolate the motor from an output shaft coupling when torque in excess of a selected level is transmitted through the clutch.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: September 22, 1998
    Assignee: Adwest Engineering Ltd.
    Inventors: David Alexander Bailey, Arthur Thomas Bartram, Stuart James Murden