All Patents in class 414/742


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All Patents in class 414/742
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,500,989	Mar. 21, 1950	A.L. Hartley, W.D. Whalen, A.H. Davis	Metallurgical apparatus	flame hardening machines
3,204,782	Sep. 07, 1965	G.A. Kendall, N.E. Hess	Mechanism for crankshaft lathes	crankshaft lathes