Granted Patent
Utility
US 4,523,860 · App. 06/449,679
Gas saturation monitoring system and method
Inventors:
Thomas G. Chin, Rudy F. Klaver, Arthur Alston
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Dec 14, 1982
Inventors
Thomas G. Chin
Rudy F. Klaver
Arthur Alston
Assignee (at issue)
Chevron Research 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.