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Patents for David M. Strauchen
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
2,621,717Dec. 16, 1952M. Garvin, D.M. StrauchenAnnular Torch Head for Flame Hardening Machinesflame hardening machines
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