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US Patent: 2,558,275
Lathe Control Mechanism
Patentees:
Harold J. Siekmann (exact or similar names) - Cincinnati, OH
Harry C. Kemper (exact or similar names) - Goshen Township, Clermont County, OH
Nelson D. Cooper (exact or similar names) - Mariemont, Hamilton County, OH

USPTO Classifications:
82/117, 82/134, 82/153, 82/900

Tool Categories:
metalworking machines : machine tool controls
metalworking machines : metal lathes : engine lathes

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 21, 1949
Granted: Jun. 26, 1951

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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