Patents Represented by Attorney William S. Berheim
  • Patent number: 5975969
    Abstract: A hydrofoil propeller guard, including a thrust tube, a hydrofoil fin and bottom securing plate, is used in conjunction with an outboard motor mounted on a boat and with stern drives, to encompass the propeller to reduce sideways thrust, to move items away from the propeller, and the guard preferably includes a trolling plate to increase slow speed performance.
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: November 2, 1999
    Assignee: Cal-Neva Marine Co. Inc.
    Inventor: John Forrest White