Granted Patent
Utility
US 6,808,601 · App. 10/009,038
Method for mixing dilution liquid into a stock flow in a paper or board machine to control basis weight using coarse and fine controls
Inventor:
Juhana Lumiala
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 1, 2002
Inventor
Juhana Lumiala
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.