Granted Patent
Utility
US 6,441,618 · App. 09/772,039
Method and apparatus for monitoring the advance of seawater into fresh water aquifers near coastal cities
Inventors:
David Rossi, Willem Wijnberg, Peter V. Howard, Jean-Pierre Delhomme, Kamal Babour
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jan 29, 2001
Inventors
David Rossi
Willem Wijnberg
Peter V. Howard
Jean-Pierre Delhomme
Kamal Babour
Assignee (at issue)
Schlumberger Technology Corporation
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.