Granted Patent
Utility
US 5,525,171 · App. 08/337,211
Pyrotechnic compositions generating clean and nontoxic gases, containing a thermoplastic elastomer binder
Inventors:
Bernard Finck, Alain Lefumeux, Christian Perotto
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Nov 7, 1994
Inventors
Bernard Finck
Alain Lefumeux
Christian Perotto
Assignee (at issue)
Societe Nationale des Poudres et Explosifs
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.