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All Patents in class 122/291
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	381,870	Apr. 24, 1888	A. Worthington	Boiler
	579,784	Mar. 30, 1897	L. Baker	Stationary boiler
	RE12,052	Nov. 04, 1902	H.L. Wilson	Steam-boilers
	RE12,053	Nov. 04, 1902	H.L. Wilson	Steam-boiler

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