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

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