Granted Patent
Utility
US 4,656,097 · App. 06/766,917
Post treatment of phosphated metal surfaces by organic titanates
Inventors:
William J. Claffey, Alan Reid
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Aug 19, 1985
Inventors
William J. Claffey
Alan Reid
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.