Granted Patent
Utility
US 5,711,600 · App. 08/475,997
High consistency pulp tower with a parting member and the introduction of dilution liquid
Inventor:
Olavi Toukonummi
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Jun 7, 1995
Inventor
Olavi Toukonummi
Assignee (at issue)
Ahlstrom Machinery, 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.