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Patents for Henry W. Watson
Patents 1 - 3 of 3
First set of recordsLast set of records
119,395Sep. 26, 1871S.W. PaineImprovement in Tool Heads for Planing Machinesmetal planers
125,838Apr. 16, 1872A.T. NicholsImprovement in steam-enginessteam engines
141,163Jul. 22, 1873A.T. NicholsImprovement in sawing-machinescircular resaws
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