Patents by Inventor Tung Chen Chu

Tung Chen Chu 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).

  • CD box with calculator
    Patent number: D410672
    Type: Grant
    Filed: August 25, 1998
    Date of Patent: June 8, 1999
    Inventor: Tung Chen Chu
  • Stationery case and calculator
    Patent number: D410945
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: June 15, 1999
    Inventor: Tung Chen Chu