Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7172727 | Apparatus for blood oxygenation An apparatus and method for blood oxygenation are provided. The apparatus includes a chamber having a first inlet to receive a fluid, e.g., physiologic saline; a second inlet to receive a gas, e.g., oxygen, from a gas supply; and an outlet coupled to a capillary ass... | 02/06/2007 |
| 7076901 | Empty cartridge removing device of a dummy launcher for animal training An empty cartridge removing device of a dummy launcher for animal training having a fixed member of a fixed assembly pivotally assembled with a body of a firing assembly, the empty cartridge removing device comprising: a barrel adapted to be coupled with a coupling ... | 07/18/2006 |
| 6936221 | Method of forming gas-enriched fluid A method for forming a gas-enriched fluid is provided. The method includes a step of providing a mixing chamber having a first inlet, a second inlet, and an outlet. A first fluid is delivered into the mixing chamber via the first inlet and flows vertically. A second... | 08/30/2005 |
| 6839997 | Device for removal of cartridges and/or cartridge casings in a drop-barrel weapon Device for removal of cartridges and/or cartridge casings in a drop-barrel weapon having at least one cartridge ejector axially displaceable in a barrel part for removal of unfired cartridges and an ejector mechanism acting on the cartridge ejector for ejection of s... | 01/11/2005 |
| 6359602 | Head-mounted display device In a head-mounted display device, image display light emitted from a display device is directed towards the eye of an observer by changing the light path thereof by means of an optical system. The display device, optical system and a drive signal generati... | 03/19/2002 |
| 5666755 | Method and apparatus for fast disassembly of blowback autoloading pistol A method and a device for retrofitting existing autoloading pistols having a one-piece bolt stop pin. The first step of the retrofitting method is to cut off the original bolt stop pin and then machine a threaded bore in the remaining shaft. In addition, ... | 09/16/1997 |
| 5363580 | Switching mechanism of an ejector in gun An object of the present invention is to provide a switching mechanism of an ejector which is simple to operate and in which projecting portions on a gun are minimized. A hammer is pivoted to return to the original position when a breech is opened after a... | 11/15/1994 |
| 3964198 | Firearm extractor/ejector system An extractor/ejector system is described for automatically extracting a cartridge from the breech of a firearm or automatically ejecting the cartridge when the cartridge has been fired. A gas port is provided in the barrel of the arm to direct gases from ... | 06/22/1976 |
