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MediaFrom WikipediaChronicle22 April, 189030 May, 18489 September, 184328 December, 1794TimelinesMain milestonesInvention and Patent: The Ice Cream Freezer (1843)Early Life and Family: The Donaldson Years (1794-1820s)The Era of American Invention and Patent Law (1790-1890)The History of Ice Cream (Pre-1843 to Late 1800s)Post-Patent Life and Impact (1843-1890)Articles
