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US Patent: 1,794,361
Milling-Machine Spindle and Tool
Patentees:
Joseph B. Armitage - Milwaukee, Milwaukee County, WI
Edward J. Kearney - Wauwatosa, Milwaukee County, WI
Benjamin P. Graves - Providence, RI
Lester F. Nenninger - Cincinnati, Hamilton County, OH

USPTO Classifications:
279/904, 409/78

Tool Categories:
metalworking machines : milling machines : milling machine tools
metalworking machines : metalworking machine mechanisms

Assignees:
Kearney & Trecker Corp. - West Allis, Milwaukee County, WI
Brown & Sharpe Mfg. Co. - Providence, RI
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Kearney & Trecker Corp. - West Allis, Milwaukee County, WI
Brown & Sharpe Mfg. Co. - Providence, RI

Witnesses:
none listed

Patent Dates:
Applied: Mar. 25, 1927
Granted: Mar. 03, 1931

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co
"Vintage Machinery" entry for Kearney & Trecker Co.
"Vintage Machinery" entry for Cincinnati Milling Machine Co.
Description:
This joint patent is for the standardized spindle tapers and tooling.

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