Granted Patent
Utility
US 6,543,229 · App. 09/881,112
Exhaust gas alternator system
Inventor:
Lennart Johansson
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jun 14, 2001
Inventor
Lennart Johansson
Assignee (at issue)
STM Power, Inc.
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.