Granted Patent
Utility
US 5,695,643 · App. 08/129,692
Process for brine disposal
Inventors:
Harry Brandt, John H. Tait
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Sep 17, 1993
Inventors
Harry Brandt
John H. Tait
Assignee (at issue)
Aquatech Services, 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.