Granted Patent
Utility
US 5,891,225 · App. 08/012,852
Method for applying halide brines to surfaces
Inventors:
Surendra K. Mishra, David J. Hanlon, Nam-Sook Bae
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jan 23, 1998
Inventors
Surendra K. Mishra
David J. Hanlon
Nam-Sook Bae
Assignee (at issue)
TETRA 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.