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Patents for E. P. Stoughton
Patents 1 - 5 of 5
First set of recordsLast set of records
RE4,736Feb. 06, 1872W.H. BarberImprovement in Devices for Holding Bits and Other Toolsbrace chucks
177,659May 23, 1876H.L. PrattImprovement in Scroll Saw Framescoping saws
194,109Aug. 14, 1877H.L. PrattImprovement in Drill-Chucksdrill chucks
200,757Feb. 26, 1878H.L. PrattImprovement in ratchet bit-bracesratchet braces
292,176Jan. 22, 1884H.L. PrattSaw fastening and framehacksaws
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