Granted Patent
Utility
US 6,517,430 · App. 09/980,004
Supply air system
Inventor:
Juha Leimu
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Feb 12, 2002
Inventor
Juha Leimu
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.