Patents by Inventor Joshua Jung-hua Chang

Joshua Jung-hua Chang 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: D422637
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: April 11, 2000
    Assignee: Berol Corporation
    Inventors: David C. Harris, Mark S. Koehneke, John M. Fuller, Jonathan P. Van Dore, Joshua Jung-hua Chang