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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 356/949 - Optically excited (GO1N 21/63)


Subclass of Class 356 - Optics: measuring and testing
No. of patents: 2
Last issue date: 04/15/2008


NumberTitleIssue Date
7357570Method and device for contactless temperature monitoring and temperature adjustment
A method and device for determining the temperature of a sample, wherein a probing light beam is directed onto the sample whereby at least two partial beams of the probing light pass through paths of different lengths inside the sample by backscattering or reflectin...
04/15/2008
7059766Optical device and method for the non-intrusive measuring of the temperature of a flowing liquid
An optical method, and an optical device based on a laser source for implementing an optical method, for nonintrusively measuring the temperature of a flowing liquid by using the fluorescence induced by a laser beam in a measurement volume of the liquid, uses a sing...
06/13/2006
 
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