Granted Patent
Utility
US 4,445,383 · App. 06/389,657
Multiple range capacitive pressure transducer
Inventors:
Paul Binder, Louis D. Di Napoli
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Jun 18, 1982
Inventors
Paul Binder
Louis D. Di Napoli
Assignee (at issue)
Federal Signal 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.