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Patents for E. Oscar Haeuptner
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	75,273	Mar. 10, 1868	S.A. Smith, G.W. Hubbard	Improvement in grinding-mills
	111,582	Feb. 07, 1871	S.A. Smith	Improvement in pulleys

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