Granted Patent
Utility
US 5,265,418 · App. 07/916,878
Exhaust emission control
Inventor:
Darren A. Smith
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Aug 13, 1992
Inventor
Darren A. Smith
Assignee (at issue)
Orbital Engine Company (Australia) Pty Limited
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.