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US Patent: 138,394
Machines for Turning Pulleys
Patentee: George A. Gray, Jr. (exact or similar names) - Hamilton, Butler County, OH USPTO Classifications: 82/103, 82/165 Tool Categories: metalworking machines : metal lathes : pulley turning lathes Assignees: None Manufacturer: Niles Tool Works - Hamilton, Butler County, OH Witnesses: Charles A. Bauer W. N. Gray Henry Millward A. Hursten	Patent Dates: Applied: Aug. 20, 1872 Granted: Apr. 29, 1873 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Niles Tool Works

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