Granted Patent
Utility
US 6,416,632 · App. 09/601,308
Apparatus for degassing an aqueous suspension containing pulp fibers
Inventors:
Jaakko Kirjasniemi, Antti Suonpera
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Sep 11, 2000
Inventors
Jaakko Kirjasniemi
Antti Suonpera
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.