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All Patents in class 474/171
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
172,910Feb. 01, 1876E. BrownImprovement in wheels or pulleyswoodworking machine mechanisms
174,203Feb. 29, 1876F.H. CraftsPulleyindustrial machine pulleys and belt drive mechanisms
202,667Apr. 23, 1878J. Saltar, Jr.Improvement in loose pulleysindustrial machine pulleys and belt drive mechanisms
204,929Jun. 18, 1878J.J. WhiteBelt Shifting Pulleyindustrial machine pulleys and belt drive mechanisms
299,915Jun. 03, 1884D.C. CumingsCounter-shaftindustrial machine pulleys and belt drive mechanisms
307,771Nov. 11, 1884E. Johnson, J.J. Johnson, N. JohnsonTraction Enginetraction engine propulsion components
341,376May 04, 1886C. EsplinBand-saw millband sawmills
355,146Dec. 28, 1886M. DeeringPower-hammertrip and helve hammers
812,179Feb. 13, 1906C.A. BrinleyWheelindustrial machine pulleys and belt drive mechanisms
2,716,350Aug. 30, 1955R.D. PharesSlow speed converter motor drivemetalworking speed changing mechanisms
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