Granted Patent
Utility
US 6,231,722 · App. 09/297,962
Method and system for monitoring the process of separation of a web
Inventor:
Juhani Vestola
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: May 11, 1999
Inventor
Juhani Vestola
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.