Samuel Winslow (patentee)

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In 1641, Samuel Winslow was granted the first patent in North America by the Massachusetts General Court for a new process for making salt.[1][2]

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References

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  2. ^ "Manufactures of the United States in 1860; compiled from the original returns of the eighth census, under the direction of the Secretary of the interior", Publisher: Government Printing Office, Washington, 1865, p. cxcix: "Salt-making was commenced at Salein in 1636, and in 1641 Samuel Winslow was allowed, for 10 years, the exclusive right of making salt in Massachusetts by a new method."