Granted Patent
Utility
US 6,758,270 · App. 10/129,395
Method of microbial enhanced oil recovery
Inventors:
Egil Sunde, Terje Torsvik
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Sep 17, 2002
Inventors
Egil Sunde
Terje Torsvik
Assignee (at issue)
STATOIL ASA
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.