"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 |
| 5788080 | Stacked openable and reclosable plastic bags on a dispenser A plurality of stacked openable and reclosable plastic bags on a dispenser is provided which includes a pocket formed by front and back walls for form a mouth portion leading to the pocket, complementary separable zipper profiles on the front and back wal... | 08/04/1998 |