The Pauly cartridge was further improved by the French gunsmith Casimir Lefaucheux in 1828 , by adding a pinfire primer .
Casimir Lefaucheux did not register Casimir Lefaucheux 's 's patent until 1835 : a pinfire cartridge containing powder in a card - board shell .
The Pauly cartridge was further improved by the French gunsmith Casimir Lefaucheux in 1828 , by adding a pinfire primer , but Lefaucheux did not register his patent until 1835 : a pinfire cartridge containing powder in a card - board shell .