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Patents for Harry R. Bretney
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	755,611	Mar. 29, 1904	H.R. Bretney, E. Bretney	Mechanical stoker
	861,255	Jul. 30, 1907	H.R. Bretney, E. Bretney	Steam-generator

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