Patents by Inventor Yu-Shen Chen

Yu-Shen Chen 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).

  • Kinescope
    Patent number: D401262
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: November 17, 1998
    Assignee: Wan Chang Precision Industries Co., Ltd.
    Inventor: Yu-Shen Chen
  • Special effects party light
    Patent number: D405213
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: February 2, 1999
    Assignee: Wan Chang Precision Industries Co., Ltd.
    Inventor: Yu-Shen Chen