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Patents for Henry B. Lothrop
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
389,139Sep. 04, 1888A.C. DumontierKnife for planing machinescutters
441,603Nov. 25, 1890S. TidemanDie and Die Stocktap wrenches and die stocks
461,587Oct. 20, 1891C.H. NortonStand for Grinding and Polishing Wheelspolishing and buffing machinery
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