Granted Patent
Utility
US 5,507,891 · App. 08/514,189
Propellant composition for automotive safety applications
Inventor:
Edward H. Zeigler
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Aug 11, 1995
Inventor
Edward H. Zeigler
Assignee (at issue)
Alliant Techsystems 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.