Patents Assigned to CKY, Inc.
  • Watertight mast for sailing vessel
    Patent number: 4905620
    Abstract: A mast is provided which functions as both a mast and a righting lever which provides an immediate and powerful addition to the righting moment of a sailing vessel. The mast comprises a hollow longitudinal member adapted for carrying a sail. The longitudinal member contains one or more internal compartments which are sealed to prevent fluid communication to the interior of the mast.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: March 6, 1990
    Assignee: CKY, Inc.
    Inventor: John R. Newton