Patents by Inventor Stephen M. Bates

Stephen M. Bates 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: 5052659
    Abstract: A body member has an upright bore for receiving a stake to be pulled. When the body member is tilted, edges of the bore grip the stake. A flexible link has one end connected to the body member and its other end arranged to receive a lever that is used to impart an upward lift on the flexible link which in turn tilts the body member for gripping the stake and applying an upward pulling force to the stake.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: October 1, 1991
    Inventor: Stephen M. Bates