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US Patent: 212,413
Lathe-Chuck
Patentee:
John H. Vinton (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
279/113, 411/222, 411/948

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

Assignees:
Frank Armstrong - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 22, 1878
Granted: Feb. 18, 1879

Patent Pictures:
USPTO (New site tip)
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