Patent 870719 Automatic firearm (1907)
Patent 1140245 Magazine rifle (1915)
Patent 1396949 Automatic gun (1921)
Patent 1907163 Automatic gun (1933)
Patent 2068823 Air Gun (1937)
Patent 2144241 Automatic rifle (1939)
Patent 2172036 Air Rifle (1939)
Patent 2425684 Breech bolt for firearms (1947)
Patent 2430680 Breech bolt and retracting means therefor (1947)
Patent 2453897 Safety for self-loading firearms (1948)
Patent 3285133 Gas operated semi-automatic firearm (1966)
Patent 4299046 Single shot survival rifle (1981)
Patent 4867040 Self-unlocking device for recoiling bolt carrier and barrel in a semi-automatic rifle (1989)
Patent 4932148 Shoulder-fired semi-automatic rifle (1990)
Patent 4932309 Trigger mechanism for semi-automatic rifle (1990)
Patent Des. 304062 Semi-automatic rifle (1989)