Granted Patent
Utility
US 4,810,179 · App. 07/148,873
Force indicator for casting machines
Inventor:
Kenneth M. Cavanagh
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Jan 27, 1988
Inventor
Kenneth M. Cavanagh
Assignee (at issue)
Marshall and Williams 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.