Granted Patent
Utility
US 6,692,583 · App. 10/076,897
Magnesium conversion coating composition and method of using same
Inventors:
Jon Bengston, Mark Wojtaszek, Gerald Wojcik, Massimo Dimarco
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Feb 14, 2002
Inventors
Jon Bengston
Mark Wojtaszek
Gerald Wojcik
Massimo Dimarco
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.