Granted Patent
Utility
US 6,209,650 · App. 09/242,958
Subsea well
Inventors:
Atle Ingebrigtsen, J.o slashed.rgen Eide
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Feb 26, 1999
Inventors
Atle Ingebrigtsen
J.o slashed.rgen Eide
Assignee (at issue)
Den Norske Stats Oljeselskap A.S.
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.