Patents by Inventor Bonjue Kim

Bonjue Kim 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).

  • Key holder
    Patent number: 4653299
    Abstract: A key holder comprises a case, a key tray and a key suspender. A respective key may be selected by moving a slide handle from the outside of the key holder until a respective key identification is found and drawn simply by flipping the key holder.
    Type: Grant
    Filed: January 8, 1986
    Date of Patent: March 31, 1987
    Inventor: Bonjue Kim
  • Electronic angle indicator
    Patent number: 4557056
    Abstract: An electronic angle indicator providing a digital indication for a desired angle comprises a pivotally suspended gravity responding pendulum retaining a ring magnet, a reference angle dial retaining a ring magnet and two magnetic field sensors, one for sensing magnetic field change of said pendulum and the other one for sensing magnetic field change of said reference angle dial. The output of said pendulum magnetic field sensor is compared with the output of said reference angle dial magnetic field sensor and causes the indicators display attainment of a desired angle orientation selected by said reference angle dial, or greater or lesser angle than the angle orientation selected by said reference angle dial.
    Type: Grant
    Filed: June 29, 1983
    Date of Patent: December 10, 1985
    Inventors: Sun Kim, Bonjue Kim
  • Ratchet wrench
    Patent number: D292771
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: November 17, 1987
    Inventor: Bonjue Kim