Granted Patent
Utility
US 5,474,601 · App. 08/284,962
Integrated floating platform vertical annular separation and pumping system for production of hydrocarbons
Inventor:
Michael Choi
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Aug 2, 1994
Inventor
Michael Choi
Assignee (at issue)
Conoco Inc.
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.