Granted Patent
Utility
US 6,792,331 · App. 09/856,892
Method and apparatus for controlling the drying process in a drying section of a paper machine or the like
Inventors:
Kristian Hamström, Jorma Kari, Hans Sundqvist
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: May 29, 2001
Inventors
Kristian Hamström
Jorma Kari
Hans Sundqvist
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.