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All Patents in class 409/33
Patents 1 - 6 of 6
First set of recordsLast set of records
2,123,717Jul. 12, 1938W.F. DalzenGear Finishing Machinegear making machines
2,232,408Feb. 18, 1941S.M. ShawGear Finishing Machinegear making machines
2,344,292Mar. 14, 1944J.C. DraderMethod of Finishing Gearsgear making machines
2,504,578Apr. 18, 1950H. PelphreyInternal Gear Shaving Machinegear making machines
2,749,802Jun. 12, 1956W.R. CarsenShaving Cutter for Gearsgear making machines
2,962,799Dec. 06, 1960A.D. MoncrieffGear Cutting Devicegear making machines
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