"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 |
| 7181779 | Sport goggle with side vent for improved ventilation An improved sport goggle for skiing, motorcycling, paintball, racing, and other sports featuring clip-mounted side apertures communicating with the eye cavity of the goggle through adjacent venting apertures. Venting of the eye cavity of the sport goggle is aided by... | 02/27/2007 |
| 7137153 | Sport goggle with improved ventilation An improved sport goggle for skiing, motorcycling, paintball, racing, and other sports featuring apertures communicating with a pressurized air flow provided by focusing channels in a ledge projecting from the goggle body thereby increasing air flow into the eye cav... | 11/21/2006 |
| D508939 | Goggle | 08/30/2005 |
| 6637038 | Sport goggle with improved ventilation An improved sport goggle featuring apertures communicating with a pressurized air flow provided by focusing channels in a ledge projecting from the goggle body thereby increasing air flow into the eye cavity of the goggle. Venting of the eye cavity of the... | 10/28/2003 |