Granted Patent
Utility
US 4,517,622 · App. 06/527,530
Capacitive pressure transducer signal conditioning circuit
Inventor:
Barry Jon Male
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Aug 29, 1983
Inventor
Barry Jon Male
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.