Granted Patent
Utility
US 4,253,876 · App. 06/122,201
Corrosion inhibitors
Inventors:
Richard L. Godar, Carl C. Hendricks, Kenneth R. Roux
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Feb 19, 1980
Inventors
Richard L. Godar
Carl C. Hendricks
Kenneth R. Roux
Assignee (at issue)
Petrolite 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.