Granted Patent
Utility
US 4,897,905 · App. 07/308,921
Controlled deflection roll using inert gasses and independent lubrication system
Inventor:
Charles C. Moschel
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Feb 13, 1989
Inventor
Charles C. Moschel
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.