All Patents in class 91/30


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All Patents in class 91/30
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	2,036,206	Apr. 07, 1936	H. Ernst	Machine Tool
	2,167,758	Aug. 01, 1939	W.M. Fairbairn, A.M. Johnson	Method and machine for honing cylindrical surfaces
	2,949,893	Aug. 23, 1960	H.C. McCurdy	Tracer Mechanism
	3,000,362	Sep. 19, 1961	H.C. McCurdy, deceased (estate of), R.L. McCurdy, administratix	Tracer Mechanism
	3,016,804	Jan. 16, 1962	J.G. Osburn, F. Zankl	Program Control System