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All Patents in class 266/90
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,523,883Sep. 26, 1950M. Garvin, D.M. StrauchenHeat Treating Machineheat treating machines
2,555,517Jun. 05, 1951M. Garvin, D.M. StrauchenAutomatic Heat Treating Machineheat treating machines
2,665,126Jan. 05, 1954E.G. RoehmCrankshaft Pin Hardening Machineflame hardening machines
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