Patents by Inventor Choi T. Yuen

Choi T. Yuen 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: 5142467
    Abstract: A spotlight apparatus includes a lamp and a support assembly coupled with the lamp. The support assembly includes support elements shiftable between a support position in which the lower ends of the elements are shifted outwardly to form a tripod, and a handle position in which the elements are shifted inwardly and the exterior surfaces thereof cooperatively form a continuous handle surface for grasping.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: August 25, 1992
    Assignee: Chiat Si Industrial Company, Ltd.
    Inventor: Choi T. Yuen