Patents for Heinz Joseph Gerber


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Patents for Heinz Joseph Gerber
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,530,955	Nov. 21, 1950	H.J. Gerber	Instrument for measuring, interpolating, and the like
	2,791,836	May 14, 1957	H.J. Gerber	Instrument for measuring the slope of a curve at a selected point thereon