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...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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Class 172/321 - ACTUATOR ON VEHICLE FOR MOVING WHEELED IMPLEMENT


Subclass of Class 172 - Earth working
Definition: Apparatus comprising a vehicle having associated therewith
No. of patents: 5
Last issue date: 02/01/2011


NumberTitleIssue Date
7878261Operating apparatus for work vehicle
An operating apparatus for a work vehicle with a detachable implement provided with a hydraulic actuator, comprising: a control valve and a link mechanism for operatively connecting the control valve to an operating lever, both the control valve and link mech...
02/01/2011
7003386Device and method for determining the position of a working part
The invention relates to a device and to a method for determining the position for a working part of a tool on a working machine with a position-determining apparatus (2, 4, 5, 6; 2, 4a, 4b, 5, 6′; 31, 33, 49, 50, 51, 1′,53). At least one de...
02/21/2006
5868207Agricultural implement having a set of ground working tools
An agricultural implement is towed behind a tractor or other propelling vehicle and is mounted on a lifting mechanism at the rear of such vehicle so that the forward part of the implement is supported by such mechanism. In one embodiment the agricultural ...
02/09/1999
5687798Down-pressure system for agricultural implement
The implement has a folding tool-bar, with a main section and wings. Hydraulic rams press the wings downwards relative to the main section during operation. Another ram presses the main-section downwards, reacting the force against a relatively weighty co...
11/18/1997
4920732Hydraulic lift with weight transfer
Lift structure particularly useful with front mounted implements for providing both lift and weight transfer functions from a single valve. The valve acts as an adjustable bleeder for the lift cylinder and includes a control knob which is movable both axi...
05/01/1990
 
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