Patents by Inventor Wing Fung Liang

Wing Fung Liang 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).

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    Patent number: D435790
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: January 2, 2001
    Assignee: Oko International Co.
    Inventor: Wing Fung Liang