Granted Patent
Utility
US 6,461,687 · App. 09/804,315
Method for manufacturing a paper or board machine and coating composition therefor
Inventors:
Juhani Vestola, Kari Niemi, Juha Wahlroos, Pentti Lehtonen, Jorma Majava, Jussi Tuomela, Harri Kuosa
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Mar 12, 2001
Inventors
Juhani Vestola
Kari Niemi
Juha Wahlroos
Pentti Lehtonen
Jorma Majava
Jussi Tuomela
Harri Kuosa
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.