Berlin Pankow grave Reinhold Burger, inventor of the thermos flask, Thermos gravestone with QR
dpa) - A visitor looks at a variety of thermos flasks at the museum in Glashuette, Germany, 26 September 2003. The inventor of the useful flasks, Reinhold Burger (1866-1954) hails from the
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Burger, Reinhold, 12.1.1866 - 21.12.1954, German inventor, patent for vacuum flask, Berlin 1.10.1906, Germany, 20th century Stock Photo - Alamy
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