Granted Patent
Utility
US 6,533,900 · App. 09/782,328
Device in a paper machine for transfer of the web from the former section to the press section
Inventors:
Janne Puustinen, Samppa Salminen, Pertti Heikkila, Ari Puurtinen, Antti Poikolainen, Jorma Laapotti, Mika Viertola
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Feb 13, 2001
Inventors
Janne Puustinen
Samppa Salminen
Pertti Heikkila
Ari Puurtinen
Antti Poikolainen
Jorma Laapotti
Mika Viertola
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.