Granted Patent
Utility
US 5,500,373 · App. 08/410,241
Methods for determining the concentration of cyanide in sour aqueous systems
Inventor:
Scott E. Lehrer
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: Mar 24, 1995
Inventor
Scott E. Lehrer
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.