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US Patent: 2,771,790
Double drive power punch press
Patentee: Frederick E. Munschauer (exact or similar names) - Buffalo, NY USPTO Classifications: 100/282, 192/12C, 192/145, 192/48.611, 192/48.8, 477/4, 477/5, 74/665B Tool Categories: metalworking machines : metalworking presses : punch presses Assignees: Niagara Machine & Tool Works - Buffalo, NY Manufacturer: Niagara Machine & Tool Works - Buffalo, NY Witnesses: Unknown	Patent Dates: Applied: Jul. 12, 1954 Granted: Nov. 27, 1956 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Niagara Machine & Tool Works

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