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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7334466 | Method and apparatus for predicting and evaluating projectile performance Apparatus and accompanying methods to evaluate the performance of an antipersonnel/canister projectile using either test data or theoretical data. It provides a three dimensional projection of the fragments/payload that can be evaluated using a variety of performanc... | 02/26/2008 |
| 5218161 | Projectile wall barrage system An apparatus and method for discharging a group of projectiles for simultaneous impact at a target wherein the projectiles in the projectile group are sequentially fired at incrementally increasing velocities. More particularly, electrothermal gun technol... | 06/08/1993 |
| 5121672 | System for carrying out shelling of a target by means of a rapid-firing ordnance piece A method for carrying out shelling of a target with a plurality of ammunition units fired successively from a single barrel rapid-firing ordnance piece includes supplying data to a computer means regarding the target to be shelled, generating by the compu... | 06/16/1992 |
| 4882974 | Method for increasing the hitting probability of multi-barrel machine weapons A method for increasing the hitting probability of multi-barreled machine weapons, especially for four-gun or gatling-type weapon systems. Through a spreading apart of the middle of hitting point locations of the individual weapon barrels, there can be ac... | 11/28/1989 |
| 4759145 | Bullet dispersing machine gun A so called machine or automatic gun having a cone shaped device mounted about the gun muzzle, a washer like or ring member slidably affixed to the gun stock, a muzzle blast deflector device and a ball joint swivel device. The muzzle blast causes the muzz... | 07/26/1988 |
| 4757741 | Means for effecting random dispersion of bullets The invention is of a sleeve or cylinder, receivable on the muzzle end of a rifle or the like, which has at least one vibratory reed or finger projecting therefrom. As rounds exit the muzzle, gasses from the firing intrude between the bullets and the reed... | 07/19/1988 |
| 4726278 | Drive for a machine gun This invention provides the provision of a motor, whose output shaft is fixed to a pinion gear, meshed with two mutually opposed driven pinion gears, each carrying a respective cam roller, which alternatively enter and exit a cam surface on a cam follower... | 02/23/1988 |
| 4464975 | Control of dispersion of gun systems A feature of this invention is the provision of a dispersion control which continually displaces the aimpoint of the gun system about its nominal aimpoint in a pattern which is determined by the future slant range and the desired ballistic pattern for the... | 08/14/1984 |
| 4351223 | Burst fire compensator The compensator is attached to the muzzle of a gun to control the motion reof during the firing of a burst, and thus modifying the dispersion pattern in a desired manner. The device includes an asymmetric channel forming an extension of approximately one... | 09/28/1982 |
| 4015508 | Burst dispersion control A Gatling-type gun is disclosed having a cam plate with a plurality of transversely elongated, gun-barrel receiving cam slots to guide the distal ends of the respective gun barrels. Each distal end of the gun barrel is free within the length of its cam sl... | 04/05/1977 |
| 3974740 | System for aiming projectiles at close range A multiplicity of launching tubes for nonguided projectiles, clustered about a central axis, are divided into several groups of 2n tubes each, the muzzles of each group of tubes being trained in directions diverging from one another in at least one dimens... | 08/17/1976 |
