Patents by Inventor Joseph C. K. Hung

Joseph C. K. Hung 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).

  • Patent number: D350541
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: September 13, 1994
    Assignee: Video Technology Engineering, Ltd.
    Inventors: Curly L. K. Chung, Joseph C. K. Hung
  • Patent number: D359284
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: June 13, 1995
    Assignee: Video Technology Engineering, Ltd.
    Inventor: Joseph C. K. Hung
  • Patent number: D369801
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: May 14, 1996
    Assignee: Vtech Communications Ltd.
    Inventor: Joseph C. K. Hung
  • Patent number: D369802
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: May 14, 1996
    Assignee: Vtech Communications Ltd.
    Inventor: Joseph C. K. Hung