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US Patent: 1,860,840
Milling machine
Patentees: Oswald A. Olsen (exact or similar names) - Bridgeport, CT Newman M. Marsilius (exact or similar names) - Bridgeport, CT USPTO Classifications: 269/245, 269/57, 269/69, 29/38C, 29/DIG.077, 29/DIG.101, 409/198, 409/203, 470/107, 82/901 Tool Categories: metalworking machines : milling machines Assignees: Producto Machine Co. - Bridgeport, CT Manufacturer: Producto Machine Co. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Nov. 30, 1927 Granted: May 31, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Producto Machine Co.
Description: Improvements to patents 1,689,635 and 1,756,831, and are relevant to "Pro-Ducto-Matic" production milling machines.

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