Granted Patent
Utility
US 4,612,049 · App. 06/727,046
Corrosion-inhibiting coating compositions
Inventors:
Godwin Berner, William Hoyle, James Jack
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Apr 25, 1985
Inventors
Godwin Berner
William Hoyle
James Jack
Assignee (at issue)
Ciba-Geigy
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.