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Patents for Henry Chapin
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
11,208Jul. 04, 1854A.G. CoesImprovement in Screw-Wrenchesnut wrenches
14,704Apr. 15, 1856B. JamesAwl-Hafttool handles
18,318Oct. 06, 1857E.H. BellowsBrick-pressmanufacturing bricks and tiles
20,010Apr. 20, 1858D.H. WhittemoreBit holderbrace chucks
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