Patent 3020662 Repeating magazine rifle with rotatable and forwardly movable barrel (1962)

Patent 3184876 Firing pin safety mechanism for firearms (1962)

Patent 3235997 Bipod gun mount (1964)

Patent 3332162 Combined rifle and grenade launcher (1967)

Patent 3343457 Housing structure for an automatic firearm (1967)

Patent 3387398 Cartridge feed in lever-operated rifle (1968)

Patent 4061074 Ammunition feed mechanism (1977)

Patent 4311082 General purpose automatic weapon system (1982)

Patent 4587879 Weapon cartridge feeder apparatus and method (1986)

Patent 4693169 Control device for rapid firing particulary automatic weapons (1987)

Patent 4831936 Armor piercing shell (1989)

Patent 4893547 Bolt mechanism for fire arm (1990)

Patent 4920854 Fluidic noise suppressor and stabilizer (1990)

Patent 4941394 Hand-held automatic firearm (1990)

Patent 5136923 Firearm silencer and flash attenuator (1992)

Patent 5223649 Apparatus and method for preventing accidental firing of a weapon (1993)