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US Patent: 158,007
Chucks
Patentee:
William F. Toothaker (exact or similar names) - San Francisco, San Francisco County, CA

USPTO Classifications:
279/5, 279/6

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 21, 1874
Granted: Dec. 22, 1874

Patent Pictures:
USPTO (New site tip)
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