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US Patent: 112,737
Shaping Metals Improvement in Machines for Slotting and Cutting Metal
Patentee: Salmon W. Putnam, Jr. (exact or similar names) - Fitchburg, Worcester County, MA USPTO Classifications: 409/326, 409/328 Tool Categories: metalworking machines : metal slotting machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Mar. 14, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Putnam Machine Co.

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