Patents by Inventor Koon P. Cheung

Koon P. Cheung 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).

  • Cassette holder
    Patent number: D365220
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: December 19, 1995
    Assignee: Nodic-Matsumoto Progress (H.K.) Co., Ltd.
    Inventor: Koon P. Cheung