Granted Patent
Utility
US 6,349,897 · App. 09/424,968
Device in winding of a web
Inventors:
Jari Sinkko, Jarmo Malmi, Pauli Koutonen
Patented Case
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Granted: Feb 26, 2002
Filed: Dec 3, 1999
Inventors
Jari Sinkko
Jarmo Malmi
Pauli Koutonen
Assignee (at issue)
Valmet Aktiebolag
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.