Houllier commercialised his weapons in association with the gunsmiths Blanchard or Charles Robert .
In 1846 another Paris Frenchman , Benjamin Houllier , patented the first fully metallic cartridge containing powder in a metallic shell .
Benjamin Houllier commercialised Benjamin Houllier 's weapons in association with the gunsmiths Blanchard or Charles Robert .
In 1846 another Paris Frenchman , Benjamin Houllier , patented the first fully metallic cartridge containing powder in a metallic shell .