Patent 2436937 Shell ejecting mechanism for machine guns (1948)
Patent 3998125 Belt feeder for an automatic weapon (1976)
Patent 3999461 Modular lightweight squad automatic weapon system (1976)
Patent 5117735 Machine gun with belt and magazine feed (1992)
Patent US 723232 Automatic Machine Gun (1903)
Patent 1303028 Lewis gun magasine (1919)
Patent 231879 Magazine Fire Arm (1880)
Patent 269660 Magazine gun (1882)
Patent 307407 Magazine fire arm (1884)
Patent 373277 Magazine fire arm (1887)
Patent 532380 Gas operated firearm (1895)
Patent 802033 Automatic firearm (1905)
Patent 804986 Self loading firearm (1905)
Patent 853715 Firearm (1907)
Patent 854771 Automatic firearm (1907)
Patent 861632 Breech loading mechanism (1907)