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GB Patent: GB-189,607,812
Improvements in drill-chucks
Patentee: David Weir (exact or similar names) - Hartford, CT USPTO Classifications: Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks woodworking machines : wood drilling and boring : drill presses : drill press chucks Assignees: None Manufacturer: Doebler Mfg. Co. - Middletown, CT Pratt & Weir Chuck Co. - Hartford, CT Witnesses: Unknown	Patent Dates: Applied: Apr. 14, 1896 Granted: May 16, 1896 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Doebler Mfg. Co. Vintage Machinery entry for Pratt & Weir Chuck Co.

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