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Patents Granted on 1838-05-__
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
724May 04, 1838W. MasonSpeeder for Roving Cotton
730May 08, 1838G. PageHand drillbreast drills
752May 30, 1838J. AndrewsMachine for mortising timber, &c.mortising machines
755May 30, 1838H. ThurberSawmill-dogsawmill carriages
758May 30, 1838S. KimballMode of Appying Friction to the Yarn-Beams of Power-Loomslooms
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