Granted Patent
Utility
US 5,362,335 · App. 08/037,142
Rare earth coating process for aluminum alloys
Inventor:
Ravi Rungta
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Mar 25, 1993
Inventor
Ravi Rungta
Assignee (at issue)
General Motors LLC
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.