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All Patents in class 74/410
Patents 1 - 15 of 19
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NumberDatePatenteeTitleType
113,750Apr. 18, 1871W.W. DingeeHorse Poweranimal powered apparatus
200,439Feb. 19, 1878W.W. DingeeHorse-Poweranimal powered apparatus
294,221Feb. 26, 1884J.R. Gorrell, J. MillerCircular saw millcircular sawmills
550,390Nov. 26, 1895F. HartDriving Gearmetalworking power transmission
800,571Sep. 26, 1905J. HartnessBalanced Drive for Lathesmetalworking power transmission
809,394Jan. 09, 1906A. PedersenElectrically-operated portable drillhandheld power tools
905,260Dec. 01, 1908C.J. WidmerCombined friction and jaw clutchindustrial machine clutches
1,415,556May 09, 1922C.L. HeislerGearingindustrial machine gearing
1,453,709May 01, 1923C.L. HeislerGearingindustrial machine gearing
1,810,747Jun. 16, 1931G.H. Benzon, Jr.Differential Gearmetalworking power transmission
2,077,730Apr. 20, 1937W.F. ZimmermannBalanced Helicoidal Change Speed Drive for Shapersmetal shapers
2,215,140Sep. 17, 1940J.M. WalterPlanetary tool feedmilling machines
2,505,856May 02, 1950A.T. GregoryGearing for internal-combustion engines
2,946,232Jul. 26, 1960G.H. JonesGear Drivemetalworking machine gearing
2,946,234Jul. 26, 1960R.H. JahnkePress brakesheet metal brakes
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