Granted Patent
Utility
US 6,383,367 · App. 09/701,177
Method and apparatus for separating water from oil
Inventor:
Jens Grötheim
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Jan 19, 2001
Inventor
Jens Grötheim
Assignee (at issue)
NOR Instruments AS
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.