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All Patents in class 266/257
Patents 1 - 2 of 2
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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
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