Granted Patent
Utility
US 6,254,723 · App. 09/445,884
Method for continuous cooking in a single-vessel digester
Inventors:
Vidar Snekkenes, Lennart Gustavsson
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Dec 13, 1999
Inventors
Vidar Snekkenes
Lennart Gustavsson
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.