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US Patent: 241,236
Adjustable lever
Patentee: Francis A. Pratt (exact or similar names) - Hartford, CT USPTO Classifications: 403/104, 403/164, 403/245, 403/322.2, 403/81, 74/145, 74/149 Tool Categories: construction machines : cranes Assignees: Pratt & Whitney Co. - Hartford, CT Manufacturer: Pratt & Whitney Co. - Hartford, CT Witnesses: Theodore G. Ellis Wilmot Horton	Patent Dates: Applied: Jan. 15, 1881 Granted: May 10, 1881 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: Seen on an old Pratt & Whitney milling machine.

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