The first numbered U.S. Patent 1 (after…

July 1836 CE

The first numbered U.S. Patent 1 (after filing nine thousand nine hundred and fifty-seven unnumbered patents) is granted to John Ruggles, for improvements to railroad steam locomotive tires, on July 13, 1836.

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Washington District of Columbia Dist of Columbia United States View →

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United States of America (US, USA) (Washington DC) View →

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Industrial Revolution, First View →

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