All Patents in class 73/37.6


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All Patents in class 73/37.6
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	1,993,830	Mar. 12, 1935	R.E. Conover	Grinding Machine
	2,259,472	Oct. 21, 1941	C. Johnson	Duplicator for machine tools
	2,585,533	Feb. 12, 1952	W.J. Bryant, T.H. Ljunggren, W.F. Moore	Internal grinding machine with automatic air gauge sizing
	2,626,464	Jan. 27, 1953	M. Mennesson	Micrometer
	3,210,987	Oct. 12, 1965	E.C. Bruns	Pneumatic Measuring Circuit