Granted Patent
Utility
US 5,251,597 · App. 07/721,576
Engine air supply systems
Inventors:
Darren A. Smith, Robert M. Davis
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Aug 2, 1991
Inventors
Darren A. Smith
Robert M. Davis
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.