Granted Patent
Utility
US 6,456,197 · App. 09/275,609
Oil-in-water detector buoy arrangement
Inventors:
Glen R. Lauritsen, Brent A. Salyer
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Mar 24, 1999
Inventors
Glen R. Lauritsen
Brent A. Salyer
Assignee (at issue)
FMC Technologies, 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.