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US Patent: 1,288,324
Chuck
Patentee:
David Weir (exact or similar names) - Hartford, CT

USPTO Classifications:
279/64

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press chucks
woodworking machines : wood drilling and boring : drill presses : drill press chucks

Assignees:
Hartford Special Machinery Co. - Hartford, CT

Manufacturer:
Hartford Special Machinery Co. - Hartford, CT

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 03, 1917
Granted: Dec. 17, 1918

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hartford Special Machinery Co.

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