Patents by Inventor George C. M. Chang

George C. M. 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).

  • Green sprout growing tray
    Patent number: D507204
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: July 12, 2005
    Assignee: Green Valley Food Corp.
    Inventor: George C. M. Chang