Patents by Inventor Chee-Chung Leung

Chee-Chung Leung 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: D304719
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: November 21, 1989
    Assignee: Cal-Comp Electronics Inc.
    Inventor: Chee-Chung Leung