Granted Patent
Utility
US 4,891,874 · App. 07/280,629
Self loading controlled deflection roll
Inventors:
Arnold J. Roerig, Richard R. Hergert
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Dec 6, 1988
Inventors
Arnold J. Roerig
Richard R. Hergert
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.