Granted Patent
Utility
US 6,458,247 · App. 09/534,666
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Inventor:
Kyosti Uuttana
Patented Case
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Granted: Oct 1, 2002
Filed: Mar 24, 2000
Inventor
Kyosti Uuttana
Assignee (at issue)
Metso Paper Inc.
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.