Granted Patent
Utility
US 6,550,713 · App. 09/806,075
Device in connection with reel-up of a web
Inventors:
Pekka Ruha, Jarkko Räty
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Mar 22, 2001
Inventors
Pekka Ruha
Jarkko Räty
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.