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US Patent: 2,187,170
Feed chuck
Patentee:
James R. O'Connell - Elmira, NY

USPTO Classifications:
279/20.1, 279/43.6

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

Assignees:
Hardinge Brothers, Inc. - Chicago, IL

Manufacturer:
Hardinge Brothers - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 03, 1938
Granted: Jan. 16, 1940

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Hardinge Brothers

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