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Patents for Emmet A. Thomas
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	736,572	Aug. 18, 1903	W.A. Barker	Electric hoist
	787,609	Apr. 18, 1905	W.A. Barker	Hoisting-machine
	CA-111,141	Mar. 31, 1908	W.A. Barker	Friction lock

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