Granted Patent
Utility
US 5,282,382 · App. 07/760,703
Roll hardness observation testing apparatus and process
Inventors:
Leonard F. Fiore, Gregory P. Brandl, Allen R. Voit
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Sep 16, 1991
Inventors
Leonard F. Fiore
Gregory P. Brandl
Allen R. Voit
Assignee (at issue)
Champion International Corporation Limited
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.