Granted Patent
Utility
US 4,589,482 · App. 06/617,025
Well production system
Inventor:
Russell Irving Bayh, III
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Jun 4, 1984
Inventor
Russell Irving Bayh, III
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.