Patents by Inventor Dennis Quiang Chen

Dennis Quiang 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).

  • Non-skid dual leg automobile pedal locking device
    Patent number: 6439012
    Abstract: The invention is a non-slip, dual leg pedal lock for securing one or more pedals and pedal arms of an automobile to prevent the theft of the automobile, the pedal lock a pair of dual leg shaft components, a locking slide bar component, a pedal engaging component and a keyed lock which engages both of the dual leg shaft components for double security locking the pedal to the floor of an automobile in a non-slip attachment to the vehicle floor.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: August 27, 2002
    Inventor: Dennis Quiang Chen
  • Steering wheel Y-lock
    Patent number: 6430978
    Abstract: The invention is a device for locked attachment to the steering wheel of an automobile, attaching to the outer perimeter of a steering wheel at three locations relatively equally spaced apart, covering the central portion of the steering wheel to lock the steering wheel in a stationary position to deter theft of the automobile and to prevent theft of the air bag in the steering wheel.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: August 13, 2002
    Inventor: Dennis Quiang Chen