Patents by Inventor Tsang H. T. Henry

Tsang H. T. Henry 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).

  • Illuminable wall switch cover
    Patent number: D290086
    Type: Grant
    Filed: January 3, 1985
    Date of Patent: June 2, 1987
    Assignee: Tradebest International Corporation
    Inventors: Peter Fong, Tsang H. T. Henry
  • Transmitter or similar article
    Patent number: D291888
    Type: Grant
    Filed: January 3, 1985
    Date of Patent: September 15, 1987
    Assignee: Tradebest International Corporation
    Inventors: Peter Fong, Tsang H. T. Henry