Granted Patent
Utility
US 6,289,797 · App. 09/267,958
Method for calendering a paper web and calender applying the method
Inventor:
Vesa Ijas
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Mar 12, 1999
Inventor
Vesa Ijas
Assignee (at issue)
Valmet Aktiebolag
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.