Granted Patent
Utility
US 5,415,344 · App. 08/310,131
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Inventor:
Glen R. Harrelson
Patented Case
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Granted: May 16, 1995
Filed: Sep 21, 1994
Inventor
Glen R. Harrelson
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.