Granted Patent
Utility
US 4,625,850 · App. 06/473,570
Press clutch control system
Inventor:
Eugene M. Marsh
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Mar 9, 1983
Inventor
Eugene M. Marsh
Assignee (at issue)
Verson Allsteel Press Company
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.