Patents by Inventor Jin-nan Cai

Jin-nan Cai 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).

  • Multi disc player
    Patent number: D574357
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: August 5, 2008
    Inventor: Jin-nan Cai
  • Wireless microphone karaoke system with slide
    Patent number: D587250
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: February 24, 2009
    Assignee: Zhuhai Sanjin Industrial Co., Ltd
    Inventor: Jin-nan Cai