Patents by Inventor Shu-Wen Tung

Shu-Wen Tung 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).

  • Telephone set or similar article
    Patent number: D324047
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: February 18, 1992
    Inventor: Shu-Wen Tung
  • Telephone set or similar article
    Patent number: D329430
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: September 15, 1992
    Inventor: Shu-Wen Tung
  • Telephone set
    Patent number: D340712
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: October 26, 1993
    Inventor: Shu-Wen Tung
  • Telephone
    Patent number: D350542
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: September 13, 1994
    Assignee: Hentak Limited
    Inventor: Shu-Wen Tung