Patent 439248 Machine gun (1890)
Patent 502185 Machine gun (1893)
Patent 698472 Automatic gun (1902)
Patent 781508 Automatic gun (1905)
Patent 2112660 Automatic gun (1938)
Patent 1709162 Automatic gun (1929)
Patent 862384 Automatic gun (1907)
Patent 1695508 Automatic gun (1928)
Patent 1256923 Machine gun (1918)
Patent 2453830 Machine gun (1948)
Patent 1821463 Machine gun (1931)
Patent 2110165 Machine gun (1935)
Patent 1451443 Machine gun (1918)
Patent 1456625 Machine gun (1921)
Patent 1786207 Machine gun (1930)
Patent 2220663 Machine gun (1938)
