Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 5085149 | Ground vehicle suspension and guidance and electromagnetic system thereof with multiple surface arcuate reaction rails The improved support and guidance system includes a super conductor mounted in a vehicle and positioned to be above and on both sides of the upper end of a rail. The super conductor is provided with a housing and an iron core or shield is positioned withi... | 02/04/1992 |
| 4822772 | Electromagnet and method of forming same A unitary superconducting electromagnetic structure (10) and method of forming same for use particularly at magnetic intensities greater than the magnetic saturation of iron and including an inner body (12) containing a coil pack (40) and an outer magneti... | 04/18/1989 |
| 4783628 | Unitary superconducting electromagnet A unitary superconducting electromagnet (10) especially adapted for use in medical or test apparatus with nuclear magnetic resonance (NMR) and spectroscopy at intensities above the magnetic saturation of iron so high as around ten (10) Tesla. The electrom... | 11/08/1988 |
