Patents by Inventor Freddie K. H. Tsang

Freddie K. H. Tsang 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).

  • Remote communications interface
    Patent number: D368266
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: March 26, 1996
    Assignee: TVI Interactive Systems Inc.
    Inventors: Steven A. McClain, Freddie K. H. Tsang