"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7287803 | Rotating cable tailgate actuator A power actuator for moving automotive closure panels between opened and closed positions. The actuator is particularly adapted for actuating the rear tailgate of a pickup truck type vehicle and includes an electric drive motor, a flexible cable assembly, and a stru... | 10/30/2007 |
| 6681532 | Modular bi-fold door The present invention is a door adaptable for work spaces in a modular work area environment. The door is bi-fold in design, can be attached to any flat surface, and is particularly suited for attachment to the flat end portion of the modular wall separat... | 01/27/2004 |
| 6378248 | Dual panel jalousie assembly with independent panel movement A jalousie assembly comprising a plurality of independently adjustable front and rear panels forming tandem pairs. A front panel operator operates the front panels and a rear panel operator operates the rear panels independently from the front panels. Thu... | 04/30/2002 |
| 4193339 | Motor vehicle ventilation device A combination air vent and air scoop for the roof top of a motor vehicle has an integral body with an air inlet scoop in the front and an air outlet vent in the rear. The scoop is opened and closed by means of a panel which has a closed position in which ... | 03/18/1980 |
| 4177605 | Device for driving panels in conveyance, especially horizontally-sliding windows in an automobile A crank drives, by the intermediary of a system of cable and pulleys a carriage sliding on a fixed slide bar parallel to the displacement of sliding panels such as windows in an automobile so as to catch a latch and then drive in any direction the panels ... | 12/11/1979 |