Granted Patent
Utility
US 5,944,581 · App. 09/114,569
CO.sub.2 cleaning system and method
Inventor:
Lakhi Nandlal Goenka
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Jul 13, 1998
Inventor
Lakhi Nandlal Goenka
Assignee (at issue)
Ford Motor Company
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.