Granted Patent
Utility
US 4,387,041 · App. 06/301,667
Corrosion inhibitors
Inventors:
Eugene V. Hort, Lowell R. Anderson, Dru W. Alwani
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Sep 14, 1981
Inventors
Eugene V. Hort
Lowell R. Anderson
Dru W. Alwani
Assignee (at issue)
GAF Corporation
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.