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Patents for Hanna Engineering Works
Patents 1 - 6 of 6
Picture	Number	Date	Patentee	Title
	1,195,349	Aug. 22, 1916	P.W. Gates	Lubricator
	1,211,431	Jan. 09, 1917	A.J. Gates	Lubricator
	1,211,432	Jan. 09, 1917	P.W. Gates	Lubricator
	1,400,282	Dec. 13, 1921	P.W. Gates	Molding-machine
	1,404,126	Jan. 17, 1922	W.P. Krause	Riveter
	1,620,253	Mar. 08, 1927	P.W. Gates	Lubricator

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