Patents by Inventor Joseph C. Ka Hung

Joseph C. Ka 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).

  • Cordless telephone base housing
    Patent number: D369803
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: May 14, 1996
    Assignee: Vtech Communications Ltd.
    Inventor: Joseph C. Ka Hung
  • Cordless telephone handset housing
    Patent number: D371359
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: July 2, 1996
    Assignee: Vtech Communications, Ltd.
    Inventor: Joseph C. Ka Hung