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US Patent: 321,041
Chuck for Gem Setting
Patentee:
Charles I. Loveren (exact or similar names) - Brooklyn, Kings County, NY

USPTO Classifications:
279/51

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 21, 1884
Granted: Jun. 30, 1885

Patent Pictures:
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