Patents by Inventor Tai S. Yea

Tai S. Yea 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).

  • Electric light bulb socket positioner for lamp assemblies
    Patent number: 5443399
    Abstract: An electric light bulb socket positioner for lamp assemblies is provided. The lamp assembly consists of an electric light bulb sleeve, an electric light bulb stem and an electric light bulb. The light bulb stem, at the lower end of the electric light bulb socket, is provided with a pair of keyway slots formed through opposing wall portions. The slotted openings allow greater dimensional variability in the mating light bulb sleeve.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: August 22, 1995
    Inventors: Wang S. Jing, Tai S. Yea