Granted Patent
Utility
US 5,471,833 · App. 08/132,734
Rocket propellant pressurization system using high vapor pressure liquids
Inventor:
Donald A. Pahl
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Oct 6, 1993
Inventor
Donald A. Pahl
Assignee (at issue)
Olin 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.