Granted Patent
Utility
US 4,372,164 · App. 06/155,325
Industrial process control instrument employing a resonant sensor
Inventors:
Christopher R. Brown, Everett O. Olsen
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Jun 2, 1980
Inventors
Christopher R. Brown
Everett O. Olsen
Assignee (at issue)
Fox Boro 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.