Granted Patent
Utility
US 4,975,153 · App. 07/397,805
Press section apparatus with deflection compensated granite roll shell
Inventors:
John Nelson, Larry O. Stafford
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Aug 23, 1989
Inventors
John Nelson
Larry O. Stafford
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.