Patents by Inventor Charles P. L. Leung

Charles P. L. 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: D282938
    Type: Grant
    Filed: October 27, 1983
    Date of Patent: March 11, 1986
    Assignee: Tronica Electronic Engineering Co., Ltd.
    Inventor: Charles P. L. Leung