Patents by Inventor William D. Brock

William D. Brock 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: 5957071
    Abstract: A sailboat having a cross-shaped body to which a pair of pontoons are attached. Additionally, a pontoon-like rudder is attached to the aft portion of the body. A steering mechanism is provided for steering the rudder by application of force, via the operator's feet, to a stirrup. A sail is mounted via front and aft masts. The sail include a handle so that the operator can move the sail left and right by hand.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: September 28, 1999
    Inventor: William D. Brock
  • Patent number: D257833
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: January 13, 1981
    Inventors: William D. Brock, Gilbert F. Meekins
  • Patent number: D370885
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: June 18, 1996
    Inventor: William D. Brock