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)
Patent 5355608 Concealed laser module sight apparatus (1994)
Patent EP 0378976 B1 (1993)
Patent US 2010/0077643 A1 Firearm with enhanced recoil and control characteristic
Patent US 2010/0205846 A1 Modular gunstock