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All Patents in class 266/126
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,461,734	Feb. 15, 1949	A.L. Hartley, A.H. Davis	Flame hardening apparatus	flame hardening machines
2,500,989	Mar. 21, 1950	W.D. Whalen, A.H. Davis, A.L. Hartley	Metallurgical apparatus	flame hardening machines

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