This timeline details the pivotal moment in Nancy Maria Donaldson Johnson's life – the invention and patenting of the hand-cranked ice cream freezer.
Invention of the Hand-Cranked Ice Cream Freezer
1843
Nancy Maria Donaldson Johnson invented the first hand-cranked ice cream freezer. This invention greatly simplified the process of making ice cream at home.
Patent Application
September 9, 1843
Nancy Maria Donaldson Johnson filed a patent application for her hand-cranked ice cream freezer design. This marked a significant step in recognizing her invention.
Awarded U.S. Patent #3254X
September 9, 1843
Nancy Maria Donaldson Johnson was awarded U.S. Patent #3254X for her hand-cranked ice cream freezer design. This made her the first woman to receive a patent for this type of device in the United States.
