Granted Patent
Utility
US 5,829,407 · App. 08/875,355
Internal combustion engines
Inventors:
Stephen James Watson, Darren A. Smith, Robert Walter Frew
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Jul 30, 1997
Inventors
Stephen James Watson
Darren A. Smith
Robert Walter Frew
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.