Patents by Inventor Hsin-Weih Wu

Hsin-Weih Wu 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).

  • Light bulb socket structure having a bulb housing with engaging means
    Patent number: 5588863
    Abstract: The invention relates to an improved light bulb socket structure that uses a medium-sized bulb housing mounted on the top of the socket shell to house a small bulb to form a decorative light set. On the top of the socket shell there is provided with a resilient engaging rim for convenience of connecting the bulb housing. The bottom of the socket shell is configured to be partially closed, with an opening for receiving a latch of the socket cap, to avoid conductor copper plates loosening.
    Type: Grant
    Filed: September 26, 1995
    Date of Patent: December 31, 1996
    Inventor: Hsin-Weih Wu