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All Patents in class 414/742
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,500,989Mar. 21, 1950W.D. Whalen, A.H. Davis, A.L. HartleyMetallurgical apparatusflame hardening machines
3,204,782Sep. 07, 1965G.A. Kendall, N.E. HessMechanism for crankshaft lathescrankshaft lathes
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