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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7064465 | Motor Motors for fans are provided. The motor includes a stator and a rotor. The stator includes a plurality of magnetic poles. The rotor is coupled to the stator and includes a magnetic structure with a plurality of magnetic poles. Each magnetic pole has an interpolar po... | 06/20/2006 |
| 6891295 | Flywheel magneto generator A flywheel magneto generator which comprises a rotor having a magnet attached to an outer circumferential side of a flywheel and a stator constructed by winding a generating coil around a core having a magnetic pole portion opposed to a magnetic pole of the rotor, w... | 05/10/2005 |
| 6657348 | Rotor shield for magnetic rotary machine A magnet machine includes a magnet rotor. The rotor includes a sleeve and a magnet. The magnet is positioned within the sleeve. A highly electrically conductive, nonmagnetic shield surrounds the magnet. The shield reduces rotor eddy current losses and low... | 12/02/2003 |
| 4486176 | Hand held device with built-in motor A hand held device with built-in motor for rotational drive of small tools. The hand held device includes an outer housing consisting of a larger diameter rear part which contains an electric driving motor, an intermediate part of small diameter which con... | 12/04/1984 |
| 4482829 | Brushless electric micromotor A brushless electric micromotor comprised of a rotor, a shaft and a tube-like part and permanent magnets rotatably mounted and hermetically sealed in a rotor housing, said shaft being supported in bearings. The permanent magnets have their co-axial surfac... | 11/13/1984 |
