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US Patent: 81,500
Improvement in chucks
Patentee:
Benjamin Haviland (exact or similar names) - Hudson, NY

USPTO Classifications:
279/71, 408/173

Tool Categories:
metalworking machines : metal lathes : metal lathe chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Bogardus
Alexander S. Rowley
Patent Dates:
Granted: Aug. 25, 1868

Patent Pictures:
USPTO (New site tip)
Google Patents
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