Granted Patent
Utility
US 5,831,339 · App. 08/839,060
Continuous process for solvent-free manufacture of heat-curable composite pyrotechnic products
Inventors:
Alain Lefumeux, Dominique Wiencek
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Apr 23, 1997
Inventors
Alain Lefumeux
Dominique Wiencek
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.