Granted Patent
Utility
US 4,355,079 · App. 06/256,221
Corrosion inhibition
Inventors:
Arnold M. Rosenberg, James M. Gaidis
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Apr 21, 1981
Inventors
Arnold M. Rosenberg
James M. Gaidis
Assignee (at issue)
W. R. Grace & Co.
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.