The American THERMOS Bottle Company played an important role in the war
1939
When World War II broke out in Europe in 1939, virtually all of the capacity of THERMOS Limited in England was changed over to wartime requirements of the British military forces. Every time a thousand bombers went out on a raid, 10,000 to 12,000 THERMOS vacuum flasks went with them. Meanwhile in the U.S., The American THERMOS Bottle Company played an important role in the war. More than 98% of its output was for military usage and atomic energy laboratories. When the war ended in 1945, THERMOS products were more popular than ever.

1953
The first fully lithographed steel lunch box and THERMOS vacuum bottle with the image of western star Roy Rogers - Introduces the first fully lithographed steel lunch box and THERMOS vacuum bottle with the image of western star Roy Rogers. The lunch kit sells over 2,000,000 units in the first year.
1957
THERMOS brand vacuum bottle was known almost universally for use with food and beverages - By 1957, the THERMOS brand vacuum bottle was known almost universally for use with food and beverages. But by this time, THERMOS products had also proved useful in science, medicine and industry. They had been used in various instruments measuring electric power, rate of climb in airplanes, detection of oil deposits and weather recording. And had also been used to transport rare tropical fish and to preserve and transport blood plasma, serums, bones, tissues and insulin.
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