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US Patent: 551,065
Involute-curve-shaping machine
Patentee: Charles C. Tyler (exact or similar names) - Hartford, CT USPTO Classifications: 409/46 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Frederick J. Dole R. W. Pittman	Patent Dates: Applied: Feb. 15, 1895 Granted: Dec. 10, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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