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All Patents in class 60/392
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,271,817	Feb. 03, 1942	A.H. Dall, H. Ernst	Micrometer Mechanism
	2,660,985	Dec. 01, 1953	H. Ernst	Hydraulic Feed System
	2,682,748	Jul. 06, 1954	W. Ernst	Restrictor Valve for a Servomotor Circuit

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