Granted Patent
Utility
US 4,529,035 · App. 06/470,581
Submersible pump installation, methods and safety system
Inventor:
Russell Irving Bayh, III
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Feb 28, 1983
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.