Granted Patent
Utility
US 5,461,922 · App. 08/098,182
Pressure sensor isolated within housing having integral diaphragm and method of making same
Inventor:
Edward F. Koen
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Jul 27, 1993
Inventor
Edward F. Koen
Assignee (at issue)
Lucas NovaSensor
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.