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Patents for Carl Wittkowsky
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	379,301	Mar. 13, 1888	C. Wittkowsky	Method of manufacturing wooden relief-plates
	601,993	Apr. 05, 1898	C. Wittkowsky	Method of manufacturing casks or barrels from veneers

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