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US Patent: 29,939
Improvement in devices for stopping and changing motion
Patentee: Francis A. Pratt (exact or similar names) - Hartford, CT USPTO Classifications: 192/48.9, 192/79 Tool Categories: Assignees: Francis A. Pratt - Hartford, CT Geo. S. Lincoln & Co. - Hartford, CT Manufacturer: Pratt & Whitney Co. - Hartford, CT Witnesses: Enos H. Lane Jeremy W. Bliss	Patent Dates: Granted: Sep. 04, 1860 Reissue Information: Reissued as RE2,588 (Apr. 30, 1867) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Geo. S. Lincoln & Co. Vintage Machinery entry for Pratt & Whitney Co.
Description: Seen on an old Pratt & Whitney milling machine.

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