Patents by Inventor Hsien P. Chen

Hsien P. Chen 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).

  • Two stage automobile steering lock
    Patent number: 5031428
    Abstract: An antitheft device for attachment to a steering wheel of an automobile comprising an elongated body member having a passageway extending along an axis therein, a first hook secured to the body member for engagement with a portion of the steering wheel wherein the first hook engages the wheel from the inside thereof with the body member extending outward beyond the periphery of the steering wheel, an elongated tubular member adapted to move in telescopic fashion in the passageway of the body member along the axis, a second hook secured to the tubular member for engaging the inside portion of the steering wheel diametrically opposed to the first hook, a rod member adapted to move in telescopic fashion within the tubular member for preventing the steering wheel from complete rotation and a locating member associated with the body member engaging the tubular member and rod member within the passageway that allows the tubular member and the rod member to extend with respect to the body member and be locked at any
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: July 16, 1991
    Inventors: Shwu M. Jan, Hsien P. Chen
  • Automobile steering wheel lock
    Patent number: D323611
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: February 4, 1992
    Inventors: Shwv M. Jan, Hsien P. Chen