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Ice cream was originally made using very intensive labor and it often took one individual hours to make. Johnson had invented the hand cranked ice cream churn as a way to make ice cream faster and easier than by hand. [4] The patent number for the Artificial Freezer is US3254A. [5] It was patented on September 9, 1843, and antedated on July 29 ...
In 1843, Nancy M. (Donaldson) Johnson of Philadelphia received the first U.S. patent for a small-scale hand-cranked ice cream freezer. [3] The ice cream freezer was a pewter cylinder. [4] Dubbed the "Queen of Ices", Victorian English culinary entrepreneur Agnes Marshall was granted a patent for an ice cream machine that could freeze a pint of ...
Karen C. Johnson (born 1955), preventative health; Kristina M. Johnson (born 1957), optoelectronic processing, 3-D imaging; Nancy Maria Donaldson Johnson (1794–1890), hand-operated ice cream freezer; Amanda Jones (1935–1914), vacuum canning; Eldorado Jones (1860–1932), aeronautical mufflers, electric iron developments
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An ice cream maker must freeze the mixture, and must simultaneously stir or churn it to prevent the formation of ice crystals and aerate it to produce smooth and creamy ice cream. In 1843, New England housewife Nancy Johnson invented the hand-cranked ice cream churn. She patented her invention but lacked the resources to make and market it ...
The National Inventors Hall of Fame is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. As of 2020, 603 inventors have been inducted, mostly constituting historic persons from the past three centuries, but including about 100 living ...
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