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All Patents in class 74/410
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
294,221Feb. 26, 1884J. Miller, J.R. GorrellCircular saw millcircular sawmills
809,394Jan. 09, 1906A. PedersenElectrically-operated portable drillhandheld power tools
905,260Dec. 01, 1908C.J. WidmerCombined friction and jaw clutchindustrial machine clutches
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
2,505,856May 02, 1950A.T. GregoryGearing for internal-combustion engines
2,946,234Jul. 26, 1960R.H. JahnkePress brakesheet metal brakes
3,066,553Dec. 04, 1962W.A. KimseyLathe Carriage Drivemetalworking machine mechanisms
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