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US Patent: 1,978,350
Automatic Convertible Feed System
Patentee:
Mario E. Martellotti (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
409/170, 451/395, 60/369

Tool Categories:
metalworking machines : metalworking machine mechanisms : hydraulic apparatus

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 20, 1930
Granted: Oct. 23, 1934

Patent Pictures:
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"Vintage Machinery" entry for Cincinnati Milling Machine Co.
Description:
This patent number was seen on a Cincinnati Milling Machine Co. patent plate 4FV-101.

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