Patents by Inventor Gwo-Song Tseng

Gwo-Song Tseng 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).

  • Fluorescent desk lamp
    Patent number: D328150
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: July 21, 1992
    Inventor: Gwo-Song Tseng
  • Fluorescent desk lamp
    Patent number: D348323
    Type: Grant
    Filed: September 1, 1992
    Date of Patent: June 28, 1994
    Inventor: Gwo-Song Tseng