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Patents for Norman B. Wienke
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,367,100	Jan. 09, 1945	O. Cullman, L.H. Hornbrook, N.B. Wienke	Sprocket milling machine
	2,436,694	Feb. 24, 1948	O. Cullman, N.B. Wienke, L.H. Hornbrook, Jr.	Detachable sprocket wheel

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