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All Patents in class 192/46
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
191,239May 29, 1877J.H. HopkinsImprovement in scroll-sawing machineshuman powered machines
212,336Feb. 18, 1879T.A. WestonRatchet Mechanism and Clutch for Machineryindustrial machine clutches
225,050Mar. 02, 1880C.G. CooperTraction Enginesteam traction engines
232,884Oct. 05, 1880J.H. CoxPawl Shifter for Traction Enginestraction engine propulsion components
1,903,514Apr. 11, 1933F.W. Piche, H.H. MerrimanRapid Rotating Socket Wrenchratchet wrenches
2,051,116Aug. 18, 1936H.C. Walsh, E.H. HallPower press driving mechanismpunch presses
2,293,786Aug. 25, 1942E.C. WordenWrenchtorque wrenches
2,293,787Aug. 25, 1942E.C. WordenTorque Wrenchtorque wrenches
2,602,347Jul. 08, 1952P.V. MillerThread Gauge Drive thread gages
2,826,107Mar. 11, 1958R.G. WoodsRatcheting Torque-Limiting Wrenchratchet wrenches
2,858,918Nov. 04, 1958R. BergsmaPinion and idler gear for ratchet assembly
3,256,966Jun. 21, 1966T.F. AngquistRatcheting Tool Driveratcheting screwdrivers
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