In 1641, Samuel Winslow was granted the first
patent in
North America by the
Massachusetts General Court for a new process for making salt.
["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."]
See also
*
History of patent law
*
History of United States patent law
References
People of colonial Massachusetts
History of patent law
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