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All Patents in class 91/27
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	490,864	Jan. 31, 1893	C.M. Conradson	Lathe
	1,722,506	Jul. 30, 1929	H.G. Sahlin	Drop hammer
	1,877,102	Sep. 13, 1932	F.N. Whitesell	Hydraulic Control Means
	1,924,545	Aug. 29, 1933	W.H. Fitzgerald, R.P. Fitzgerald	Drop hammer
	2,365,748	Dec. 26, 1944	F.W. Curtis	Hydraulic Circuit

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