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Patents for John E. McIntosh
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
384,637Jun. 19, 1888J.E. McIntoshValve for Steam Enginessteam engine valves
402,622May 07, 1889J.E. McIntosh, J.A. SeymourSteam Enginesteam engines
707,792Aug. 26, 1902J.A. Seymour, J.E. McIntoshAdjuster for Centrifugal Governorssteam engine governors
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