Quotables
"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 |
| 5533641 | Locking cover assembly A locking cover assembly has a cover supporting base containing an opening circumferentially surrounded by a cover seat, and a cover movable to and from a closed position on the base in which the cover engages the cover seat to close the base opening. A c... | 07/09/1996 |
| 5329972 | Fire resistant plastic structure A fire resistant plastic structure comprises a pair of parallel walls, wherein the spacing between the walls is filled with an array of mutually spaced strut elements, thereby providing a flow path for a cooling fluid throughout the spacing.... | 07/19/1994 |
| 5121849 | Nuclear waste storage canister and cover therefor A storage apparatus for storing nuclear waste material. The storage apparatus is comprised of an elongated storage canister suitable for the positioning of nuclear waste material, such as spent fuel rods, therewithin. A canister cover covers one end of th... | 06/16/1992 |
| 4759342 | Cooking utensil A cooking utensil having a pan with a bottom wall adapted to be placed on a heating surface, and the bottom pan wall having a food support surface and an open top water reservoir adjacent the food support surface. A lid is also provided to form a closed c... | 07/26/1988 |
| 4467936 | Closure for a pressurized chamber The present invention provides apparatus which operates the door of a chamber that is capable of maintaining pressure within the chamber. The invention includes an improved closure for cooperating to move the door among positions in which it confronts the... | 08/28/1984 |
| 4242564 | Frost plug immersion heater and improved clamping structure A frost plug immersion heater has improved clamping structure which comprises a clamp element having a base engageable against the inner end of the heater body and a pair of channel-shaped clamping arms narrower than the base extending in splayed relation... | 12/30/1980 |
| 4175229 | Engine block heater An automobile engine jacket heater includes a body member having a metal sheathed heating element projecting from the reverse face thereof. An expandable yoke assembly is provided on the reverse face of the body member for securing the heater in an apertu... | 11/20/1979 |
