Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 4313274 | Firing pin safety device for hand firearms A hand firearm has an axially movable firing pin which can be secured against axial displacement and a pivotable hammer which is retained in its cocked position by a safety lever. Upon actuation of the trigger a trigger arm first engages a release lever t... | 02/02/1982 |
| 4312263 | Pistol Improved pistol of the type comprising a body carrying a moving slideway supporting a barrel and a firing-pin, the device actuating the said firing-pin consisting of a kinematic chain comprising a detent pivoting on the body, levers driving a sear and a h... | 01/26/1982 |
| 4306487 | Safety device for a pistol In a pistol of the type having a firing pin formed of two linearly consecutive elements, that are either aligned or non-aligned with each other, a sear for engaging the hammer and an arming trigger bar for arming the trigger there is provided a safety dev... | 12/22/1981 |
| 4305218 | Safety mechanism for a firearm A safety device for a bolt action firearm has a laterally extending lock pin which is movable laterally to engage a recess in the cocking lug of the striker to prevent the striker from moving forward despite sear release by the trigger mechanism. An opera... | 12/15/1981 |
| 4282795 | Safety for an automatic pistol In an automatic pistol safety means block the firing pin in a neutral position and prevent the lever and the arming rod from cooperating with each other and with the hammer. Automatic safety means intercept and block the hammer to prevent its contact with... | 08/11/1981 |
| 4270295 | Firing-pin blocking device for firearms A device for positively blocking the firing pin in a firearm having a reciprocating breech-bolt that is substantially enclosed within the receiver, in which a finger-piece is provided on the outside of the receiver for shifting a safety bar into and out o... | 06/02/1981 |
| 4208947 | Firearm hammer blocking safety mechanism A safety mechanism for a firearm includes a hammer block engageable with the hammer to prevent the hammer from moving into engagement with the firing pin. The hammer block is manually shifted between its active and inactive positions through a safety cam ... | 06/24/1980 |
| 4143636 | Gun with safety link for firing mechanism thereof A safety link assembly prevents discharge or firing of a gun unless the trigger is pulled. The assembly includes a hammer link pivotally connected to a link mounting member. The link mounting member is pivotally mounted on the same pivoting axis as the tr... | 03/13/1979 |
| 4141166 | Gun safety device A firearm is disclosed including a safety mechanism having sensing of engagement of the firearm butt with an operator's shoulder and sensing of engagement of the operator's hand at the firearm stock.... | 02/27/1979 |
| 4133128 | Safety device for rifles A safety device for rifles that will hold the breechblock thereof in a locked, open position, after firing, for so long as the firing pressure on the trigger is maintained. The safety device also utilizes the rifle safety actuator to hold the breechblock ... | 01/09/1979 |
| 4090316 | Firing pin safety device for hand firearms A hand firearm has a firing pin which is pivotable between safety and firing positions and a hammer which has a striking surface engaging the firing pin when the firing pin is in its firing position and a recess which receives the firing pin when in its s... | 05/23/1978 |
| 4067132 | Safety device for preventing the unauthorized firing of a weapon Trigger safety device for trigger-actuated devices is provided having a pivotally mounted magnetically responsive bar positioned on the inside of the handle or on the rear of the trigger. When the bar is oriented centrally, sufficient movement of the trig... | 01/10/1978 |
| 4054003 | Firearm safety device This invention is that of an improvement in a safety mechanism for locking the firing pin and bolt of firearms of the Mauser type. This device may be installed without alteration or modification to the firearm or to its component parts, and may be removed if d... | 10/18/1977 |
| 4031649 | Automatic safety lock for firearms A spring-loaded safety button is mounted in an opening in the forward end of a gun stock so that it will naturally fall beneath and be depressed by, the thumb on the trigger hand of the person firing the gun. In one embodiment the button registers with th... | 06/28/1977 |
| 4024664 | Safety for rifle A safety device particularly suitable for rifles and carbines consisting of a rod connected to a lever which can be inserted through a bore in the back side of the rifle hammer when the hammer is extended slightly past the fully cocked position. The rod c... | 05/24/1977 |
| 4021955 | Firing pin locking device and method A semiautomatic pistol has a frame which supports a barrel and breech-slide for chambering a cartridge in the breech end of the barrel and extracting a spent cartridge. The breech-slide carries an inertia type firing pin which is displaced to fire a chamb... | 05/10/1977 |
| 4011678 | Safety system for firearm A safety mechanism to prevent the accidental discharge of a firearm such as an automatic pistol when the firearm impacts on a hard surface utilizes a second spring loaded slide bolt as an impact safety in addition to a conventional, trigger-activated spri... | 03/15/1977 |
| 4003293 | Anti-recoil device for automatic weapons An anti-kick or anti-recoil buffer device is provided for blowback breech block weapons and particularly for automatic repeating weapons such as automatic pistols. A weapon which is provided with the device of the invention includes a casing with a breech... | 01/18/1977 |
| 3988963 | Safety device which arrests the hammer and blocks the sight A pistol having a frame with guideways for reciprocation of the slide at firing of this pistol, the guideways being separate from each other, one of these guideways having two bearing surfaces adjoining the surface of the slide at the bottom side of the l... | 11/02/1976 |
| 3988848 | Safety device for firearms A firearm having a hammer, firing pin, and trigger, and a movable firing block interposed between the firing pin and the hammer to actuate the firing pin when the hammer falls on it. The firing block is held in position by the trigger only when pressed, a... | 11/02/1976 |
| 3979850 | Safety system for handguns There is disclosed a handgun intended for one-time use for launching a projectile. The gun is stored in a condition wherein a handle of the gun is folded to cover the trigger. A releasable locking member locks the handle in its folded position. In its fol... | 09/14/1976 |
| 3949508 | Firing mechanism A firing mechanism for a gun having a safety movable to a position which blocks the firing movement of the sear. The elements of the mechanism are generally coplanar and include a hammer pivotable in one direction to fire the gun and in the opposite direc... | 04/13/1976 |
| 3942278 | Firing pin safety device for hand firearms A hand firearm having a firing pin which is pivotable between lower and upper positions has a slide with a notch in a side thereof within which is received the firing pin. A hammer is engageable with the firing pin when in the upper position and means inc... | 03/09/1976 |