Granted Patent
Utility
US 6,026,901 · App. 09/170,829
Method and system for separating and injecting gas in a wellbore
Inventors:
Jerry L. Brady, Mark D. Stevenson, John M. Klein, James L. Cawvey
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Oct 13, 1998
Inventors
Jerry L. Brady
Mark D. Stevenson
John M. Klein
James L. Cawvey
Assignee (at issue)
Atlantic Richfield Company
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.