Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 6311623 | Power-packed arrowhead An arrow is provided with a head that will take game in a more humane way and without long suffering. This new arrowhead is a dual powder-charged multiple-strength powered projectile that is activated after a delayed interval. As a result of the unleashed... | 11/06/2001 |
| 5943806 | Shark gun A shark gun injects a sharpened projectile into a predator and thereafter forces compressed gas into the predator. The shark gun is comprised of a compressed gas holding cylinder, a firing chamber having a plunger that bears the sharpened projectile and a... | 08/31/1999 |
| 5343809 | Weapon with guiding wire The invention relates to a weapon whose main object is to attack targets, such as armoured tanks, from above unexpectedly. The weapon includes an active part (1), a propulsion unit, such as a launching device (2), an anchorage attachment (4) which is inte... | 09/06/1994 |
| 5202533 | Drug injection apparatus for an animal A remote injection device for animals comprises a barrel with a piston slideable within the barrel from an initial retracted position at one end of the barrel forwardly toward the opposed end of the barrel to discharge liquid in an injection action throug... | 04/13/1993 |
| 4882995 | Projectile for darting gun A projectile for a darting gun, comprising a front head housing a front ignition plunger arranged for axial rearward movement when the tip of the projectile strikes a target, the ignition plunger communicating with a rearwardly extending striker means whi... | 11/28/1989 |
| 4854238 | Shark projectile A projectile having a tubular projectile body and provided with pointed fins pivotally mounted at the front end of the projectile body. The head fins expand when the projectile strikes a target shark to prevent the projectile from passing clear through th... | 08/08/1989 |
| 4823492 | Expendable explosive head for spear gun An expendable explosive accessory device to be placed on the forward tip of a spear for underwater fishing which includes a molded plastic outer tubular receiver having a forward closed end, a rearward open end, and an interior cavity to receive an explos... | 04/25/1989 |
| 4729320 | Combustion exhaust arrowhead An elongated tubular body is provided and which may include circumferentially spaced, generally radially outwardly projecting and forwardly tapering blades. The body includes a rear end including structure for mounting the rear end of the body on the forw... | 03/08/1988 |
| 4584925 | Underwater rocket launcher and rocket propelled missile Our invention comprises a launcher which takes the form of a holster carried firearm and a rocket propelled missile slidably mounted within the launcher. Features of our invention include electrical ignition of the rocket propelled missile, waterproof ele... | 04/29/1986 |
| 4100855 | Underwater power head A Power head for a fishing spear comprising a chamber to house an explosive cartridge open at one end, and a firing mechanism detachably secured to the other end of the chamber, said mechanism comprising a cylinder having two pistons slidably mounted ther... | 07/18/1978 |
| 4077147 | Underwater side arm 1. A device including an expendable cartridge-barrel assembly comprising a cartridge casing forming a barrel, the wall thickness of said barrel being at least equal to about the diameter of the bore therein, a retainer affixed to and rearwardly of said ca... | 03/07/1978 |
| 4062289 | Mounting bracket A powerhead mounting bracket is connected to a diver's breathing tank support. A cord connected to the receiver has a plug with a projection for loosely fitting in an axial bore of the powerhead. The plug is placed in the axial bore and the powerhead shaf... | 12/13/1977 |
