Granted Patent
Utility
US 6,723,032 · App. 09/957,266
Segmented roll
Inventor:
Pekka Eronen
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Sep 20, 2001
Inventor
Pekka Eronen
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.