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US Patent: 847,573
Chuck
Patentee:
Bengt M. W. Hanson (exact or similar names) - Hartford, CT

USPTO Classifications:
144/14, 144/4, 279/146, 279/57

Tool Categories:
woodworking tools : hand drills : drill chucks

Assignees:
Pratt & Whitney Co. - Hartford, CT

Manufacturer:
Pratt & Whitney Co. - Hartford, CT

Witnesses:
Henry L. Huntington
Kath. T. M. O'Connell
Patent Dates:
Applied: May 23, 1905
Granted: Mar. 19, 1907

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Whitney Co.

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