Last modified on 12 December 2012, at 06:44

Category:Benjamin Holt

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English: Benjamin Leroy Holt (January 1, 1849, Concord, New Hampshire – December 5, 1920, Stockton, California) was an American inventor who was the first to patent and manufacture a first practical crawler-type tread tractor. He founded the Holt Manufacturing Company (together with his brothers, Ames, Charles and William Holt).

Media in category "Benjamin Holt"

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