U.S. patents available from 1976 to present. U.S. patent
applications available from 2005 to present.  Icon_funbox 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
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- Semiconductor device manufacturing: process Definition:
Process including the step ha