Granted Patent
Utility
US 4,876,897 · App. 07/130,908
Steam quality measurement apparatus and method
Inventors:
Joseph P. DeCarlo, Thomas M. Kegal
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Dec 10, 1987
Inventors
Joseph P. DeCarlo
Thomas M. Kegal
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.