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All Patents in class 74/423
Patents 1 - 10 of 14
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PictureNumberDatePatenteeTitle
  6,943XFeb. 27, 1832J.H. CoreyPortable Horse Power
31,595Mar. 05, 1861J. GriffinMode of Regulating the Speed of Vehicles Moved by Mechanical Power
138,166Apr. 22, 1873J. KingImprovement in grain-drills
191,815Jun. 12, 1877D. PowersBit-stock with gear-train multiplier
  305,054Sep. 16, 1884E.B. Dake, W.F. DakeBit-brace (geared)
321,196Jun. 30, 1885U. Eberhardt, H.E. EberhardtDrilling-Machine
  461,622Oct. 20, 1891E.W. RossCarrier attachment for feed-cutters
797,101Aug. 15, 1905W.W. DingeePortable Horse Power
930,620Aug. 10, 1909J.R. SandbergCombined breast-drill and valve-grinder
1,017,242Feb. 13, 1912A.B. BrowneCombined Breast Drill and Valve Grinder
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