Granted Patent
Utility
US 5,174,957 · App. 07/816,901
Emulsion minimizing corrosion inhibitor for naphtah/water systems
Inventor:
T. Miles McCullough
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Jan 3, 1992
Inventor
T. Miles McCullough
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.