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US Patent: 2,191,131
Backlash Eliminator
Patentee:
Mario E. Martellotti (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
409/146

Tool Categories:
metalworking machines : metalworking machine mechanisms

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 30, 1938
Granted: Feb. 20, 1940

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.

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