<P> Invented in 1892 by Sir James Dewar , a scientist at Oxford University , the `` vacuum flask '' was not manufactured for commercial use until 1904 , when two German glass blowers , Reinhold Burger and Albert Aschenbrenner , formed Thermos GmbH . They held a contest to name the `` vacuum flask '' and a resident of Munich submitted `` Thermos , '' which came from the Greek word therme , meaning `` heat . '' </P>
<P> Invented in 1892 by Sir James Dewar , a scientist at Oxford University , the `` vacuum flask '' was not manufactured for commercial use until 1904 , when two German glass blowers , Reinhold Burger and Albert Aschenbrenner , formed Thermos GmbH . They held a contest to name the `` vacuum flask '' and a resident of Munich submitted `` Thermos , '' which came from the Greek word therme , meaning `` heat . '' </P>
when were the first thermos flasks produced for commercial use
when were the first thermos flasks produced for commercial use
1904
1904