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US Patent: 3,168,638
Method of Electro-Discharge Machining and Fluids for Use Therin
Patentee:
Milton J. Riddles (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
219/69.14

Tool Categories:
metalworking machines : electrical discharge machining
manufacturing : manufacturing processes

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 19, 1962
Granted: Feb. 02, 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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