Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7261176 | Articulated vehicle suspension system shoulder joint An articulated vehicle suspension system shoulder joint is disclosed. A vehicle includes a plurality of wheel assemblies; a plurality of rotating shoulder joints, each wheel assembly being mounted to a respective one of the shoulder joints and rotatable in a plane b... | 08/28/2007 |
| 7201694 | Continuously variable planetary gear set A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and ... | 04/10/2007 |
| 7131507 | Tracked ATV The invention relates to a tracked ATV which is fully supported, driven and steered by a pair of parallel endless tracks driven by means of an internal combustion engine. Steering means are arranged to control the differential speed between the tracks for steering t... | 11/07/2006 |
| 6250409 | Multi-point mobility device A multi-point mobility device that is capable of navigating over rough terrain without difficulty, including snow, say and, and mud, and which is able to reconfigure the two belt track assemblies so as to minimize lateral friction by the belts with indoor... | 06/26/2001 |
| 4483407 | Variable configuration track laying vehicle A vehicle has a pair of endless tracks each extending around a series of wheels arranged in a plane adjacent to one side of the vehicle body. One of the series of wheels on each side of the vehicle body is movable relative to the vehicle body to a selecte... | 11/20/1984 |
| 4359116 | Ground pressure reducing undercarriage unit A wheeled undercarriage unit (10) for supporting and propelling a mechanism without causing excessive ground pressure comprises elongate hollow side frames (12, 14) rigidly interconnected by cross frames (16, 18). Ten wheels (20, 22, 24, 26, 28, 30) are r... | 11/16/1982 |
| 4325443 | Turning assistance for tracked vehicles A tracked vehicle having power mechanism for temporarily increasing the suspension force on the centermost roadwheels and decreasing the suspension force on the endmost roadwheels during a vehicle turning action. The temporary change in distribution of th... | 04/20/1982 |
