Granted Patent
Utility
US 4,354,598 · App. 06/295,771
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Inventor:
Joseph F. Schillinger
Patented Case
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Granted: Oct 19, 1982
Filed: Aug 24, 1981
Inventor
Joseph F. Schillinger
Assignee (at issue)
Champion International Corporation Limited
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.