Granted Patent
Utility
US 6,494,823 · App. 09/155,272
Take-out roll, spreader roll, or equivalent for a web-like material
Inventors:
Timo Vuorimies, Pekka Koivukunnas
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Sep 24, 1998
Inventors
Timo Vuorimies
Pekka Koivukunnas
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.