Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 5294081 | Automatic control system for a railway vehicle's speed and stopping A device comprises a detector for detecting markers along the railway track processor for processing the signals supplied by the detector, in order to control the speed of a rail vehicle as a function of its position and instantaneous speed on a track sec... | 03/15/1994 |
| 5072900 | System for the control of the progression of several railway trains in a network Each train is equipped with an on-board device for detecting the position of the train with respect to the track and with a transmitter-receive communicating with a central station. The central station has an instantaneous storage of the relative position... | 12/17/1991 |
