Granted Patent
Utility
US 6,830,659 · App. 10/288,666
Apparatus for measuring the wear of a doctor blade and method in measuring the wear of a doctor blade and in controlling a paper machine
Inventor:
Tero Sovijärvi
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Nov 5, 2002
Inventor
Tero Sovijärvi
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.