Granted Patent
Utility
US 6,732,453 · App. 10/204,384
Method and apparatus for arranging exhaust air and supply air in a drying section
Inventor:
Petri Norri
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Aug 20, 2002
Inventor
Petri Norri
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.