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US Patent: 2,257,849
Machine Tool Temperature Contol
Patentee:
Mario E. Martellotti (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
409/135, 451/488, 451/7, 82/900

Tool Categories:
metalworking machines : metalworking machine mechanisms : coolant apparatus
industrial machines : industrial machine mechanisms : industrial control apparatus : temperature controls

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 20, 1940
Granted: Oct. 07, 1941

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"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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