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Not many patents came after this until 1910, but most were issued between 1920 and 1930.
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In 1922, Stephen Poplawski, from Racine, Wisconsin was the first to invent what is now sought of as a blender. He attached a spinning blade at the bottom of a container, which he used to make soda fountain drinks.
Waring, from the band, Fred Waring and the Pennsylvanians, promoted these blenders to bartenders, for whipping frozen drinks. -
In 1935 Fred Waring joined up with Frederick Osius and marketed the Waring Blendor.
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Regular blender from the 1950's.
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Today´s Food Blender
