Granted Patent
Utility
US 6,799,417 · App. 10/359,434
Diversion of combustion gas within a rocket engine to preheat fuel
Inventor:
Ross Hewitt
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Feb 5, 2003
Inventor
Ross Hewitt
Assignee (at issue)
AEROJET-GENERAL CORPORATION
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.