Granted Patent
Utility
US 5,409,062 · App. 08/169,781
Method of inhibiting reservoir scale
Inventors:
J. Michael Brown, Gene F. Brock
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Dec 17, 1993
Inventors
J. Michael Brown
Gene F. Brock
Assignee (at issue)
Betz Laboratories, 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.