Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 5062796 | Dental handpiece A dental handpiece for rotating a dental cleaning tool includes a casing in which there is mounted a drive shaft that is operably connected to the cleaning tool. A rotor is affixed to the drive shaft and is driven by compressed air fed to the casing. The ... | 11/05/1991 |
| 4804329 | Connecting device for an illuminant handpiece A connecting means for an illuminant handpiece being characterized in that the connecting device is adapted such that at least one of the electrical connections of the electric power receiving terminals of the illumination lamp and the electric power supp... | 02/14/1989 |
| 4475889 | Speed-increasing device for a dental handpiece An angle-drive head of a dental handpiece with the housing thereof removable. A speed-increasing pinion is provided for meshing with a drive pinion of the angle-drive. A shaft connected to the pinion extends axially in the head and has a speed-increasing ... | 10/09/1984 |
| 4286949 | Portable dental apparatus A compact portable and essentially unitized dental apparatus having a stable support base and a top carrying handle enables the visiting dentist to perform all necessary dental services at nursing homes, homes of invalids, hospital emergency rooms and in ... | 09/01/1981 |
| 4281987 | Ultrasonically driven low-speed rotary motor A device using longitudinal ultrasonic vibrations for rotating a shaft at relatively low rotational speeds is particularly useful for rotating a brush-type tooth polisher on an insert for an ultrasonic dental prophylaxis unit. The device has a sleeve whic... | 08/04/1981 |
