Granted Patent
Utility
US 5,157,973 · App. 07/324,122
Pressure sensor with integral overpressure protection
Inventor:
Mario J. Ciminelli
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Mar 16, 1989
Inventor
Mario J. Ciminelli
Assignee (at issue)
Process Automation Business, Inc.
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.