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US Patent: 309,206
Lathe-chuck
Patentee: Austin F. Cushman (exact or similar names) - Hartford, CT USPTO Classifications: 279/68 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: None Manufacturer: Cushman Chuck Co. - Hartford, CT Witnesses: Harrison B. Freeman Timothy E. Steele	Patent Dates: Applied: Aug. 20, 1884 Granted: Dec. 16, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cushman Chuck Co.

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