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US Patent: 1,461,004
Hack-saw machine of the continuous-band type
Patentee: Charles Napier (exact or similar names) - Springfield, MA USPTO Classifications: 83/661, 83/796, 83/820 Tool Categories: metalworking machines : metal sawing machines Assignees: Henry G. Thompson & Son Co. - New Haven, CT Manufacturer: Henry G. Thompson & Son Co. - New Haven, CT Witnesses: Unknown	Patent Dates: Applied: Dec. 20, 1920 Granted: Jul. 03, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Henry G. Thompson & Son Co. Vintage Machinery entry for Napier Saw Works; Metal Saw & Machine Co.

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