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6 résultats pour : first u.s. patent

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Cyrus McCormick of Virginia was the founder of the McCormick Harvesting Machine Company. McCormick
UMG25A00_391

Cyrus McCormick of Virginia was the founder of the...

The first steam engine designed and built in the United States, by Oliver Evans, of Philadelphia, Pa., 1801 (printed/published ca. 1893)
UMG22A25_298

The first steam engine designed and built in the U...

Copy of first patent ca. 1905
UMG22A19_119

Copy of first patent ca. 1905

Patent Office employee pointing to copies of first patent granted after 1836 when patent laws were rewritten circa 1940.
UMG21A22_023

Patent Office employee pointing to copies of first...

Machine-gun Battery
UMG20B15_178

Machine-gun Battery

Clara Barton
UMG20A12_196

Clara Barton