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The Patent was granted permission on March 14, 1794, but was not fully validated until 1807.
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1830s-1840s
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1837 – 1843
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April 25, 1846 – February 2, 1848
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January 29, 1850
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April 12, 1861 – April 13, 1861
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The 13th (1865), 14th (1868), and 15th Amendments (1870)
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April 9, 1865
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1831 – 1877
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1878 - 1903.
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Apr 21, 1898 – Aug 13, 1898
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1901-1909