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Patents for I. W. Coombs
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
10,799Apr. 18, 1854J. BallardSlitting Gage
12,767Apr. 24, 1855J.H. ThompsonMachine for Planing Metals
15,913Oct. 14, 1856S. IngersollMethod of felling trees
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