Granted Patent
Utility
US 4,377,091 · App. 06/239,786
Vertical axis turbine flowmeter
Inventors:
Joseph P. DeCarlo, Bernard R. Melancon
Patented Case
View Patent ↗
Granted: Mar 22, 1983
Filed: Mar 2, 1981
Inventors
Joseph P. DeCarlo
Bernard R. Melancon
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.