Granted Patent
Utility
US 4,734,141 · App. 07/030,802
Crash bag propellant compositions for generating high quality nitrogen gas
Inventors:
Richard V. Cartwright, Steven J. Hardwick
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Mar 27, 1987
Inventors
Richard V. Cartwright
Steven J. Hardwick
Assignee (at issue)
HERCULES LLC
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.