Granted Patent
Utility
US 6,533,878 · App. 09/554,042
Pyrotechnic compositions generating non-toxic gases based on ammonium perchlorate
Inventor:
Gilles Fonblanc
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: May 9, 2000
Inventor
Gilles Fonblanc
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.