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Patents for William Blanch Brain
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	AU-1,890,000,001	Aug. 20, 1889	W.B. Brain, A.J. Arnot, F. Baker	Improved electrical rock-drill, coal-digger, or earth-cutter
	CA-38,458	Mar. 10, 1892	A.J. Arnot, W.B. Brain	Alternating electric current motor

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