Granted Patent
Utility
US 5,873,241 · App. 07/704,537
Rocket engine auxiliary power system
Inventor:
Robert R. Foust
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: May 23, 1991
Inventor
Robert R. Foust
Assignee (at issue)
UNITED TECHNOLOGIES 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.