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Nancy Maria Donaldson Johnson
Nancy Maria Donaldson Johnson
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Themed Timelines

Main milestonesMain milestonesInvention and Patent: The Ice Cream Freezer (1843)Invention and Patent: The Ice Cream Freezer (1843)Early Life and Family: The Donaldson Years (1794-1820s)Early Life and Family: The Donaldson Years (1794-1820s)The Era of American Invention and Patent Law (1790-1890)The Era of American Invention and Patent Law (1790-1890)The History of Ice Cream (Pre-1843 to Late 1800s)The History of Ice Cream (Pre-1843 to Late 1800s)Post-Patent Life and Impact (1843-1890)Post-Patent Life and Impact (1843-1890)
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03.04.25
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Nancy Maria Donaldson Johnson's Themed Timelines

Main milestonesMain milestonesEarly Life and Family: The Donaldson Years (1794-1820s)Early Life and Family: The Donaldson Years (1794-1820s)Invention and Patent: The Ice Cream Freezer (1843)Invention and Patent: The Ice Cream Freezer (1843)Post-Patent Life and Impact (1843-1890)Post-Patent Life and Impact (1843-1890)The Era of American Invention and Patent Law (1790-1890)The Era of American Invention and Patent Law (1790-1890)The History of Ice Cream (Pre-1843 to Late 1800s)The History of Ice Cream (Pre-1843 to Late 1800s)