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US Patent: 1,499,772
Chuck
Patentee:
Bengt M. W. Hanson (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
279/112

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Aug. 20, 1921
Granted: Jul. 01, 1924

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Hanson-Whitney Machine Co.

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