Granted Patent
Utility
US 6,358,370 · App. 09/711,792
Sealing arrangement for a suction box of a suction roll
Inventor:
Hannu Huttunen
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Nov 13, 2000
Inventor
Hannu Huttunen
Assignee (at issue)
Valmet Aktiebolag
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.