Patents by Inventor Chun-Li Tseng

Chun-Li 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).

  • Tool assembly
    Patent number: D451357
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: December 4, 2001
    Inventor: Chun-Li Tseng
  • Combined compass and flashlight
    Patent number: D403093
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: December 22, 1998
    Inventor: Chun-Li Tseng
  • Tool assembly
    Patent number: D403227
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: December 29, 1998
    Inventor: Chun-Li Tseng
  • Tool assembly
    Patent number: D434632
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: December 5, 2000
    Inventor: Chun-Li Tseng