Granted Patent
Utility
US 5,415,805 · App. 08/202,403
Corrosion inhibitor composition and method of use
Inventors:
J. Michael Brown, James R. Ohlsen, Richard D. McBride
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Feb 25, 1994
Inventors
J. Michael Brown
James R. Ohlsen
Richard D. McBride
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.