Patents by Inventor Kin Yau Leung

Kin Yau 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: D491816
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: June 22, 2004
    Assignee: Artifield Manufacturing Company, Limited
    Inventor: Kin Yau Leung