Granted Patent
Utility
US 6,428,655 · App. 09/719,400
Integrated paper machine
Inventor:
Reima Kerttula
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Dec 8, 2000
Inventor
Reima Kerttula
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.