Granted Patent
Utility
US 6,415,947 · App. 09/667,007
Plastic made rectangular airtight container for food
Inventor:
Chang-Ho Kim
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Sep 21, 2000
Inventor
Chang-Ho Kim
Assignee (at issue)
Hana Cobi Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.