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US Patent: 1,812,479
Sheet metal working machine
Patentee: Paul R. Hahnemann (exact or similar names) - Buffalo, NY USPTO Classifications: 72/101 Tool Categories: metalworking machines : sheet metal Assignees: Niagara Machine & Tool Works - Buffalo, NY Manufacturer: Niagara Machine & Tool Works - Buffalo, NY Witnesses: Unknown	Patent Dates: Applied: Sep. 25, 1928 Granted: Jun. 30, 1931 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
Description: "This invention relates to a sheet metal working machine for beading, edging, turning and wiring sheet metal..."

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