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US Patent: 483,195
Pinion Chuck
Patentee:
George B. Woodruff (exact or similar names) - Winsted, Litchfield County, CT

USPTO Classifications:
279/106, 279/107, 408/105, 74/813L

Tool Categories:
trade specific : watchmaker

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 22, 1892
Granted: Sep. 27, 1892

Patent Pictures:
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