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Patents Granted on 1881-__-__
Patents 1 - 15 of 615
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CA-12,729Jan. 01, 1881W. StephensonCombined steam engine, traction engine, land roller, plough, seed drill and harrow
CA-13,176Jan. 01, 1881H. Monk, W. Monk, C.W. CarrierImprovements on steam enginessteam engines
CA-13,403Jan. 01, 1881C.W. Carrier, W. Monk, H. MonkImprovements on steam enginessteam engines
CA-13,404Jan. 01, 1881C.W. Carrier, W. Monk, H. MonkImprovements on steam enginessteam engines
CA-13,877Jan. 01, 1881H.R. BoysImprovements on steam engine lubricators
236,163Jan. 04, 1881W. JonesScroll-sawscrollsaws
236,236Jan. 04, 1881J.W. McKeeDrag-sawing machinedrag saws
236,258Jan. 04, 1881J. RavelOscillating Gas Motorgas and gasoline engines
236,333Jan. 04, 1881F.A. HuntingtonOre crusher and pulverizerore processing apparatus
236,335Jan. 04, 1881W.H. JohnsonSaw-clampsaw vises
236,401Jan. 11, 1881D. Robertson, J.R. AdamsDetachable Lip for Augersauger bits
236,422Jan. 11, 1881R. BickemeyerMachine for turning irregular formspattern lathes
236,469Jan. 11, 1881C.D. WatersSquare & Bevel Suface Gagesurface gauges
236,474Jan. 11, 1881T.R. AlmondCoupling for shaftingindustrial machine shaft couplings
236,475Jan. 11, 1881A.C. Ambler, J.A. AmblerMechanism for finishing the bottoms of boots and shoesshoemaking
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