Patents by Inventor Jen-Sheng Wang

Jen-Sheng Wang 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).

  • Bulb fastening structure for christmas light strings
    Patent number: 5435741
    Abstract: A bulb fastening structure for christmas light strings is disclosed. The structure includes a cap, a bulb, and a socket. It is characterized by that the cap includes an inner groove formed thereon to receive a flange formed on the bulb so as to retain the bulb and a pair of inner L-shaped projections formed thereon to serve with a pair of external inverse L-shaped projections formed on the socket so that the cap securely engages the socket and fastens the bulb between the cap and the socket.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: July 25, 1995
    Inventor: Jen-Sheng Wang