"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 5562095 | Three dimensional ultrasound imaging system A 3-D ultrasound imaging system for the eye, prostate and other organs, comprising an assembly onto which an ultrasound probe may be mounted, a motor and drive for either rotating or scanning the probe relative to the human organ under investigation, and ... | 10/08/1996 |
| 4954812 | Magnetic field alarm indicator A magnetic field alarm detector comprised of a plurality of magnetic field detectors mounted in a horizontal plane for detecting respective rotational components of a magnetic field and in response generating respective signals proportional thereto. Each ... | 09/04/1990 |