"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 |
| 7744371 | Adjustable HVE tip A HVE tip that includes two tubular members, each of which is formed with a straight portion and a connecting portion, and one of the connecting portions is telescopically received within the other connecting portions so that the two tubular members can be rotated r... | 06/29/2010 |
| 7665600 | Dental floss envelope package with cutter element A dental floss package for containing and dispensing a length of floss therefrom, the package including a dispensing envelope formed of thin paper-type material that includes two flat side walls folded over one another in overlapping relation to lie closely adjacent... | 02/23/2010 |
| D571045 | Dental floss dispensing package | 06/10/2008 |
| 5388269 | Eye shielding apparatus and method An eye shielding method and apparatus is provided for eyeglass wearers including a generally planar shield having a plurality of notches and score lines formed therein to allow the generally planar shield to be bent into a configuration which substantiall... | 02/14/1995 |