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US Patent: 137,875
Magnetic Chucks for Lathes and Planers
Patentees:
James Archibald Jaques (exact or similar names) - Tottenham, Middlesex County, England
John Thomas Oakley (exact or similar names) - Bermondsey, Surrey County, England
Louis Sterne (exact or similar names) - Westminister, Middlesex County, England

USPTO Classifications:
335/289

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 17, 1872
Granted: Apr. 15, 1873

Patent Pictures:
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