Granted Patent
Utility
US 4,710,268 · App. 06/876,935
Method for regulating the pressure of blow-through discharge steam from a reboiler of process steam produced during production of mechanical pulp
Inventor:
Bengt Nilsson
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Jun 20, 1986
Inventor
Bengt Nilsson
Assignee (at issue)
Kamyr 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.