Granted Patent
Utility
US 5,558,070 · App. 08/446,737
Exhaust gas recirculation in a two stroke engine
Inventors:
Gregory B. Bell, David Richard Worth
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 6, 1995
Inventors
Gregory B. Bell
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.