Patents by Inventor Sa Ryong Park

Sa Ryong Park 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).

  • Seat belt winding force controlling device
    Patent number: 5135182
    Abstract: A seat belt winding force controlling device for vehicles includes a main body, a belt reel, a shaft, a braking lever, a windup spring, an emergency braking member, a ratchet gear, and a winding force controlling member, whereby the winding force can be easily locked and released by snatching within the range in which the wearer does not feel confined.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: August 4, 1992
    Inventor: Sa Ryong Park