Patents by Inventor Shui L. D. Chan

Shui L. D. Chan 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).

  • Patent number: 4716505
    Abstract: A table lamp comprising a base, an arm upstanding from the base, an illuminating bulb positioned at the upper end of the arm to provide illumination, the arm further comprising a plurality of substantially similar segments, means for rotatably joining adjacent segments to one another and commutator means between adjacent segments for transferring electrical power for the lamp from one segment to the adjacent segment, and means within each segment for connecting one commutator means to an adjacent commutator means to provide continuity of current to the lamp.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: December 29, 1987
    Assignee: New Horizons Product Development Company Limited
    Inventor: Shui L. D. Chan