Patents by Inventor Huang Hsi-Chou

Huang Hsi-Chou 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).

  • Portable gyroscopic golf ball centerplane marking device
    Patent number: 4974511
    Abstract: A device consisting of a housing, an electrical motor and an activation switch. The housing is cylindrical and basically hollow, with a battery compartment located at its lower end and an arched cover at its upper end. The arched cover has a semi-circular marking slot on it. The arched cover fits frictionally on the upper part of the housing. The electric motor has a driving shaft on its upper end which drives a rotor dish to rotate. The activation switch is electrically connected to the electric motor to activate or deactivate the rotor dish.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: December 4, 1990
    Inventor: Huang Hsi-Chou