Last Modified: Aug 5 2008 8:53PM by Jeff_Joslin
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In 1847, Cochran was granted British and American patents for a "mill for sawing warped or curved surfaces" - a complex reciprocating sawmill that could rotate a log as it was cut, and was intended for cutting ship parts.
In 1848 Cochran was sued in Britain by James Hamilton, also of New York, who in 1843 had received British and American patents for a very similar machine. Cochran lost.
In 1849, Cochran was granted an American (and probably a British) patent for a somewhat different reciprocating sawmill design; that patent listed Cochran's address as London, England.