Granted Patent
Utility
US 5,452,799 · App. 08/260,154
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Inventor:
Robert L. Sutherland
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Jun 14, 1994
Inventor
Robert L. Sutherland
Assignee (at issue)
Riverwood International Corporation
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.