Granted Patent
Utility
US 6,263,589 · App. 09/563,082
Method of drying a fiber web, and arrangement in a fiber web drying apparatus
Inventor:
Veli-Matti Vainio
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: May 1, 2000
Inventor
Veli-Matti Vainio
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.