Granted Patent
Utility
US 4,601,787 · App. 06/599,142
Method of bringing a digester up to cooking temperature
Inventor:
Bertil K. E. Fagerlund
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Apr 11, 1984
Inventor
Bertil K. E. Fagerlund
Assignee (at issue)
Beloit Corporation
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.