Granted Patent
Utility
US 6,712,931 · App. 09/570,189
Method for manufacturing a paper or board web and a paper or board machine
Inventors:
Johan Gron, Pasi Ahonen, Juha Kinnunen, Pentti Rautiainen, Mari Taipale
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: May 12, 2000
Inventors
Johan Gron
Pasi Ahonen
Juha Kinnunen
Pentti Rautiainen
Mari Taipale
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.