Patents for Andrew Knipper


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Patents for Andrew Knipper
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	130,802	Aug. 27, 1872	J. Gerlach, P. Gerlach, A. Knipper	Improvement in stave-sawing machines
	191,158	May 22, 1877	A. Knipper	Improvement in machines for sawing staves