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US Patent: 1,471,271
Drill chuck
Patentee: Charles Bomberger Long (exact or similar names) - Lancaster, PA USPTO Classifications: 279/64 Tool Categories: metalworking machines : drilling and boring Assignees: Champion Blower & Forge Co. - Lancaster, PA Manufacturer: Champion Blower & Forge Co. - Lancaster, PA Witnesses: Unknown	Patent Dates: Applied: May 28, 1921 Granted: Oct. 16, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Champion Blower & Forge Co.

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