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All Patents in class 74/519
Patents 1 - 6 of 6
First set of recordsLast set of records
96,636Nov. 09, 1869G.N. TibblesTraction Enginesteam traction engines
151,364May 26, 1874J.W. DouglasImprovement in the construction of pump-gearinghousehold hand pumps
215,808May 27, 1879G.H. CorlissBeam for Steam Enginessteam engines
1,258,952Mar. 12, 1918J.M. ShortDrilling Machine
1,835,842Dec. 08, 1931G.H. Benzon, Jr.Feed Mechanismmetal planers
2,005,696Jun. 18, 1935G. Horner, P.M. Henkes, G. Gorton, 3dMachine toolmilling machines
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