...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 |
| 7153202 | Flexible shaft drive transmission Helical members applied in flexshaft assemblies for retaining lubricant inside a flexshaft casing 22. The helical members have a helix that is opposite of a helix of wires that make up a flexible drive member. The helical members direct the lubricant away fro... | 12/26/2006 |
| 7022019 | Drive shaft assembly A drive shaft assembly (8) for automotive applications for transmitting a rotary drive. The drive shaft assembly (8) comprising a central flexible rotatable core shaft (14), an outer sleeve (12) surrounding the central flexible core shaft... | 04/04/2006 |
| 7022018 | Drive unit A drive unit includes a cable possessing connecting portions at both ends, one of the connecting portions inserted into a groove of an output shaft at one side, and the other one of the connecting portions inserted into a groove of an input shaft at the other side, ... | 04/04/2006 |
| 6905415 | Flexible element A flexible element, for example a flexible shaft, has a core (12) and a tubular sheathing (16) protecting the latter. Sleeve elements (20) surround the core and hold the tubular sheathing (16) between them. Different co-efficients of ther... | 06/14/2005 |
| 6790144 | Flexible shaft plug insert An apparatus for preventing disengagement of an axially movable and rotatable flexible core of a flexible shaft attachment, which has a driven end and a handpiece end, and the driven end has a ferrule for attachment to a rotary power tool. The rotary power tool has ... | 09/14/2004 |
| 6354949 | Maintenance free flexible shaft drive transmission assembly A flexible drive transmission comprising a flexible drive shaft assembly having a first end connectable to a drive motor and a second end connectable to a driven implement, a tubular casing surrounding and coaxial with the drive shaft assembly, a lubrican... | 03/12/2002 |
| 6234910 | Shaft coupling arrangement A shaft arrangement includes two shaft ends positioned in end-to-end abutting relation and an outer sleeve surrounding the abutting ends of the two shaft ends. The outer sleeve has through-channels for introducing pressure medium in the interface between ... | 05/22/2001 |
| 6059664 | Drive element A drive element (10) is provided for coupling together rotatable shafts (12) and (14). The shafts (12) and (14) are able to rotate about their respective longitudinal axes (12A) and (14A). Additionally, the shafts (12) and (14) can pivot relative to each ... | 05/09/2000 |
| 5642965 | Interface system for operation of remote control vehicle All points at which torque is usually applied to subsea equipment, particularly in the search for and production of oil, are centralized at a single panel upon which standard kinds of connecting terminals fitted with sockets are clearly marked and corresp... | 07/01/1997 |
| 5161426 | Automotive speedometer assembly with integral anti-fouling grease seal An automotive speedometer assembly includes a speedometer head, a cable for mechanically driving the head and a seal positioned within the cable proximate the head for preventing infiltration of lubricant from the cable into the head.... | 11/10/1992 |
| 4286675 | Narrow profile power handle for line trimmer and the like A narrow profile power handle uniquely adapted for use as a flexible line trimmer having improved handling and safety features is disclosed. The power handle is also equipped with a quick connect and disconnect coupling and is useful for driving attachmen... | 09/01/1981 |
| 4225148 | Steering systems A steering assembly or system for vehicles such as a car comprises a speed increasing gear for the turning movement of the car steering wheel located under the steering wheel, at least one flexible shaft having the inner end connected to the speed increas... | 09/30/1980 |
| 4027501 | Method for joining a tip for a flexible shaft and assembly thereof A method for manufacturing a speedometer flexible shaft assembly in which the shaft has a plastic coupling molded on the end thereof to provide concentricity between the shaft and coupling. The coupling engages in the noncircular opening of a speedometer ... | 06/07/1977 |