Granted Patent
Utility
US 6,454,685 · App. 09/605,214
Method and arrangement for removing oil from a roll
Inventors:
Jori Onnela, Sami Vanhamäki
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jun 28, 2000
Inventors
Jori Onnela
Sami Vanhamäki
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.