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Safety Cap for Medicine Bottle is patented by Ronald Kay.
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| Number | Title | Issue Date |
| 7055422 | Reduced recoil anti-armor gun An improved Barrett anti-armor gun that is modified to function from the open bolt with advanced primer ignition, wherein the forward momentum of the recoiling masses at the moment of firing offset a significant portion of the recoil impulse from firing. The modific... | 06/06/2006 |
| 4677897 | Anti-armor gun A light-weight, shoulder-firable, armor-penetrating gun characterized by a recoiling barrel confined to coaxial movement by a pair of longitudinally spaced bushings within the gun housing, the recoiling barrel being adapted to carry rearward the elongated... | 07/07/1987 |
| 4604942 | Bolt assembly with a rotating locking bolt head and a floating bolt element for automatic firearms A bolt assembly for an automatic firearm which operates using kinetic recoil energy that includes a floating bolt element, a rotatable locking bolt head and a return spring interposed between them, all in communication with the barrel. The bolt head is fo... | 08/12/1986 |
