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All Patents in class 74/423
Patents 1 - 11 of 11
First set of recordsLast set of records
6,943XFeb. 27, 1832J.H. CoreyPortable horse poweranimal powered apparatus
31,595Mar. 05, 1861J. GriffinMode of Regulating the Speed of Vehicles Moved by Mechanical Powersteam carriages
138,166Apr. 22, 1873J. KingImprovement in grain-drillscrop planters
191,815Jun. 12, 1877D. PowersBit-stock with gear-train multipliergeared braces
305,054Sep. 16, 1884E.B. Dake, W.F. DakeBit-brace (geared)geared braces
321,196Jun. 30, 1885U. Eberhardt, H.E. EberhardtDrilling-Machinedrill presses
461,622Oct. 20, 1891E.W. RossCarrier attachment for feed-cutters
930,620Aug. 10, 1909J.R. SandbergCombined breast-drill and valve-grinderbreast drills
1,017,242Feb. 13, 1912A.B. BrowneCombined Breast Drill and Valve Grindercombination tools
1,368,295Feb. 15, 1921W.T. SearsDrive mechanism for drilling-machinesradial drill presses
1,420,635Jun. 27, 1922A.C. KlopperWrenchsocket wrenches
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