...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7207130 | Over-and-under shotgun apparatus and method An over-and-under shotgun apparatus includes a radius track which serves as a hinge for articulating the barrel portion of the shotgun apparatus relative to the receiver/stock portion of the shotgun apparatus. The radius track is defined by a female or concave porti... | 04/24/2007 |
| 6343535 | Device for advancing charges in a powder-actuated tool, and improved tool including the same A combustion activated tool includes a housing having a longitudinal bore that extends and connects with a vertical bore, a piston and piston guide disposed within the longitudinal bore and moveable axially therein, and an advance lever having a reset end... | 02/05/2002 |
| 6250007 | Cattle stunning gun improvement A method of providing a new cartridge chamber for the breech of a cattle stunning gun for the purpose of improving the ability of the chamber surface to resist corrosive deformation resulting from firing cartridges in the gun. The method includes machinin... | 06/26/2001 |
| 5020257 | Percussion safety device The invention relates to an apparatus actuated by the explosion of a cartridge (2), particularly a slaughtering pistol, of the type comprising: a hammer (4) able to slide in a bore between a cocking position and a percussion position where it is in contac... | 06/04/1991 |
| 4757627 | Pistol for slaughtering animals with automatic closure by means of the trigger Pistol for slaughtering animals with captive projectile and hinged breech block, the breech block 13 being automatically locked to the breech 10 before the explosion by means of a balancing lever 37, inside the breech block, having a head 40 at one end fo... | 07/19/1988 |
| 4686786 | Cartridge loading and feeding arrangement for explosive charge operated device A cartridge feed arrangement for an apparatus operating by means of an explosive charge and a loader to feed the apparatus. The invention relates to a cartridge feed device for an apparatus operating by means of an explosive charge, of the type in which, after... | 08/18/1987 |
| 4631779 | Animal slaughtering apparatus with its cartridge feeder advanced automatically, simultaneously with the resetting of the firing pin An automatically loaded animal slaughtering apparatus comprises means (18, 20) for the stepwise advancement of a cartridge strip feeder (1) and means (13) for resetting the firing pin (10) after firing a cartridge (2); the cartridge feeder is advanced by ... | 12/30/1986 |
| 4625442 | Cattle stunning gun A stunning gun in which a captive bolt is extended by an explosive cartridge detonated by a trigger controlled firing pin. The trigger is a push button device having a rounded surface and a shape and construction to avoid catching the finger of the gun op... | 12/02/1986 |
| 4546563 | Method and apparatus for killing earth-burrowing insects An apparatus for killing fire ants by means of a concussion explosion within the mound of the ants is disclosed. The apparatus includes an elongated shell containing an explosive powder removably mounted at one end of an elongated barrel by means of a hol... | 10/15/1985 |
| 4531322 | Apparatus with multiple propulsion charges for slaughtering animals An apparatus for stunning animals and which has multiple propulsive charges. The apparatus is of the type in which a spike or plunger is projected toward the head of an animal to be slaughtered. The barrel of the apparatus is mounted on a part pivoted to ... | 07/30/1985 |
| 4503585 | Pneumatic stunner An improved animal stunning device is provided which allows the user a quick, easy and cost effective method to kill animals in a slaughterhouse operation. The animal stunner preferably includes a pneumatically activated stunning gun having a trigger asse... | 03/12/1985 |
| 4086682 | Device for use in the humane slaughtering of animals A captive bolt pistol device for use in the humane slaughtering of animals comprising two separable parts comprising a hollow cap or sleeve housing a fixed firing pin at the closed end thereof and a barrel housing the captive bolt and having a breech bloc... | 05/02/1978 |