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US Patent: 2,215,922
Power Chucking Mechanism
Patentees:
William F. Groene (exact or similar names) - Cincinnati, OH
Harold J. si (exact or similar names) - Cincinnati, OH

USPTO Classifications:
279/134, 82/106, 82/109, 82/173

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

Assignees:
R. K. Le Blond Machine Tool Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 06, 1939
Granted: Sep. 24, 1940

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for R. K. Leblond Machine Tool Co.

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