Patents by Inventor Boyd W. Dingman

Boyd W. Dingman 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: 4748842
    Abstract: A sheet metal pulling apparatus in combination with a plurality of anchors disposed at spaced locations in the floor of a body shop; wherein, the sheet metal pulling apparatus comprises: a base member having a vertically extending post; a tie down plate; and a chain operatively secured to both the base member and the tie down plate; wherein the chain is selectively engaged by a removable pin which is operatively attached to the tie down plate; whereby, tension can be maintained between the base member and the tie down plate when the vertically extending post of the base member is connected to a winch which is subsequently attached to the sheet metal surface of a vehicle.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: June 7, 1988
    Inventor: Boyd W. Dingman