Patents by Inventor Yen Yen Jen

Yen Yen Jen 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).

  • Camp lamp
    Patent number: D564112
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: March 11, 2008
    Inventor: Yen Yen Jen
  • Illumination lamp
    Patent number: D566314
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: April 8, 2008
    Inventor: Yen Yen Jen
  • Radio illumination lamp
    Patent number: D570020
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: May 27, 2008
    Inventor: Yen Yen Jen
  • Lamp
    Patent number: D583492
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 23, 2008
    Inventor: Yen Yen Jen