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All Patents in class 266/97
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,462,072Feb. 22, 1949F.N. DarmaraProcess of Inductively Heating Pliersmaking pliers
2,500,989Mar. 21, 1950W.D. Whalen, A.H. Davis, A.L. HartleyMetallurgical apparatusflame hardening machines
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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