Granted Patent
Utility
US 4,929,290 · App. 07/437,861
Crash bag propellant composition and method for generating nitrogen gas
Inventor:
Richard V. Cartwright
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Nov 17, 1989
Inventor
Richard V. Cartwright
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.