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US Patent: 256,165
Machine for Cutting Grooves in Rolls
Patentee: John R. Reynolds (exact or similar names) - Hartford, CT USPTO Classifications: 409/304 Tool Categories: metalworking machines : metal planers : metal planer accessories Assignees: Pratt & Whitney Co. - Hartford, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 02, 1881 Granted: Apr. 11, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt & Whitney Co.

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