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Patents for J. W. B. Covington
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	52,450	Feb. 06, 1866	J. Russell	Process of Hardening Files
	54,229	Apr. 24, 1866	W.J. Tait	Gaging Rod
	55,183	May 29, 1866	J. Wilson, C.D. Walters	Lamp Lighter's Torch

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