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US Patent: 1,794,361
Milling-Machine Spindle and Tool
Patentees: Joseph B. Armitage (exact or similar names) - Milwaukee, Milwaukee County, WI Edward J. Kearney (exact or similar names) - Wauwatosa, Milwaukee County, WI Benjamin P. Graves (exact or similar names) - Providence, Providence County, RI Lester F. Nenninger (exact or similar names) - 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, Providence County, RI Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Brown & Sharpe Mfg. Co. - Providence, RI Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH W. H. Nichols Co. - Waltham, Middlesex County, MA Witnesses: none listed	Patent Dates: Applied: Mar. 25, 1927 Granted: Mar. 03, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Brown & Sharpe Mfg. Co "Vintage Machinery" entry for Kearney & Trecker Co. "Vintage Machinery" entry for Cincinnati Milling Machine Co. "Vintage Machinery" entry for W. H. Nichols Co.
Description: This joint patent is for the standardized spindle tapers and tooling. This patent number was seen on a Cincinnati Milling Machine Co. patent plate 4FV-101.

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