Granted Patent
Utility
US 5,806,304 · App. 08/612,845
Catalytic treatment of engine exhaust gas
Inventors:
Stuart Price, David Richard Worth
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Mar 21, 1996
Inventors
Stuart Price
David Richard Worth
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.