Granted Patent
Utility
US 6,575,396 · App. 09/952,731
Method and device in winding of a web
Inventor:
Arto Leskinen
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Sep 14, 2001
Inventor
Arto Leskinen
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.