Patents by Inventor Pang Chi-Kong

Pang Chi-Kong 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: D394257
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: May 12, 1998
    Assignee: Vtech Communications Ltd.
    Inventors: Joseph Chan Ka Hung, Pang Chi-Kong