Patents Assigned to Yung Hsin Plastics Corporation
  • Structure of inflatable boat
    Patent number: 5152243
    Abstract: An inflatable boat comprising a unitary bottom which is comprised of a plurality of parallel, elongated air chambers and has two opposite ends curving upwards respectively, two bulwarks separately attached to the bottom at two opposite sides through a welding joint, two hood-like connecting members connected between the two bulwarks and the bottom at two opposite ends. Parallel grooves are formed in the bottom between the elongated air chambers for guiding waves so as to reduce resisting force during sailing.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: October 6, 1992
    Assignee: Yung Hsin Plastics Corporation
    Inventor: Frank C. Kuan
  • Inflated slide
    Patent number: D328326
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: July 28, 1992
    Assignee: Yung Hsin Plastics Corporation
    Inventor: Frank C. Kuan