Granted Patent
Utility
US 5,219,481 · App. 07/868,234
Oxime compound, preparation and use for coating and lubricating metals
Inventor:
John Rutledge Lawson
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Apr 14, 1992
Inventor
John Rutledge Lawson
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.