Granted Patent
Utility
US 5,992,481 · App. 08/989,537
Cooling system filling aid and method of filling the cooling system of an internal combustion engine
Inventor:
Gary M. Smith
Patented Case
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Granted: Nov 30, 1999
Filed: Dec 12, 1997
Inventor
Gary M. Smith
Assignee (at issue)
Chrysler Group 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.