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US Patent: 2,773,968
Electro Discharge Machine
Patentees:
Mario E. Martellotti (exact or similar names) - Cincinnati, Hamilton County, OH
James W. Evans (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
219/124.21, 219/69.11, 219/69.15, 219/69.17, 219/69.2, 409/185, 409/204

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: Jan. 10, 1956
Granted: Dec. 11, 1956

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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