Granted Patent
Utility
US 6,605,189 · App. 09/948,442
Suction box in a paper machine
Inventors:
Jorma Snellman, Antti Poikolainen, Ari Puurtinen, Samppa Salminen
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Sep 7, 2001
Inventors
Jorma Snellman
Antti Poikolainen
Ari Puurtinen
Samppa Salminen
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.