Granted Patent
Utility
US 6,123,807 · App. 08/908,285
Method for the continuous cooking of pulp
Inventors:
Johan Engstrom, Vidar Snekkenes, Krister Olsson, Soren Gustavsson, Christofer Lindgren, Mikael Lindstrom
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Aug 7, 1997
Inventors
Johan Engstrom
Vidar Snekkenes
Krister Olsson
Soren Gustavsson
Christofer Lindgren
Mikael Lindstrom
Assignee (at issue)
Kvaerner Pulping AB
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.