Patents by Inventor Rongfeng Zheng

Rongfeng Zheng 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).

  • Liquid crystal television
    Patent number: D504876
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: May 10, 2005
    Inventor: Rongfeng Zheng
  • LCD TV
    Patent number: D540754
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: April 17, 2007
    Assignee: Sichuan Changhong Electric Co., Ltd.
    Inventors: Rongfeng Zheng, Wenqing Yu, Linqing Liu, Saijin Lin