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Patents for Norman B. Wienke
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,367,100	Jan. 09, 1945	N.B. Wienke, O. Cullman, L.H. Hornbrook	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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