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US Patent: 60,418
Improvement in sewing-machines
Patentee: Francis A. Pratt (exact or similar names) - Hartford, CT USPTO Classifications: 112/194 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Annie L. Stone Jeremy W. Bliss	Patent Dates: Granted: Dec. 11, 1866 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Pratt & Whitney Co.
Description: Of minor interest because the inventor was co-founder of Pratt & Whitney Co., a machine-tool maker.

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