Patent 1290854 Automatic rapid fire gun (1919)

Patent 1446635 Firearm (1923)

Patent 1852057 Spring mechanism for automatic firearm (1932)

Patent 2031383 Machine gun bolt mechanism (1936)

Patent 2113793 Machine gun and drum magasine therefor (1936)

Patent 2418462 Machine gun magazine and cradle therefor (1947)

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)