Granted Patent
Utility
US 4,633,954 · App. 06/557,950
Well production controller system
Inventors:
Glen A. Dixon, Clark E. McCloskey, David L. Chambers, Woodrow D. Hawk, Oliver W. McCracken
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Dec 5, 1983
Inventors
Glen A. Dixon
Clark E. McCloskey
David L. Chambers
Woodrow D. Hawk
Oliver W. McCracken
Assignee (at issue)
Otis Engineering 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.