Granted Patent
Utility
US 4,243,443 · App. 06/045,584
Azide and doped iron oxide gas generating composition
Inventor:
Lechoslaw Adam Utracki
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Jun 4, 1979
Inventor
Lechoslaw Adam Utracki
Assignee (at issue)
C-I-L, Inc.
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.