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US Patent: 3,206,639
Electrical Discharge Machining Apparatus
Patentee:
Robert L. Henry (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
315/207, 315/227A, 315/289

Tool Categories:
metalworking machines : electrical discharge machining

Assignees:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 23, 1962
Granted: Sep. 14, 1965

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

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