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Patents for Henry B. Lothrop
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
389,139Sep. 04, 1888A.C. DumontierKnife for planing machines
441,603Nov. 25, 1890S. TidemanDie and Die Stock
461,587Oct. 20, 1891C.H. NortonStand for Grinding and Polishing Wheels
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