Granted Patent
Utility
US 6,289,607 · App. 09/424,654
Flotation dryer unit and method of use
Inventors:
Rami Aaltonen, Roland Banecki, Pertti Heikkila, Bertel Karlstedt, Richard Solin
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Nov 26, 1999
Inventors
Rami Aaltonen
Roland Banecki
Pertti Heikkila
Bertel Karlstedt
Richard Solin
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.