This name for a type of flask invented by James Dewar in 1892 became a trademark
[DOC] [TLE] James Dewar-More than a flask [PAR] James Dewar (1842-1923) is widely known for his pioneering work i.n cryogenics
, ... liquefaction of hydrogen, by the flask that carries his name, and by his studies 
... also became Fullerian professor of chemistry at the ..... proprietary name or 
trademark applied to a type of ... Foiiowing Dewar's invention in 1892, the design 
of.