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US Patent: D3,611
Design for an upright drill
Patentee: Francis A. Pratt (exact or similar names) - Hartford, CT USPTO Classifications: D15/132 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: Pratt, Whitney & Co. - Hartford, CT Manufacturer: Pratt, Whitney & Co. - Hartford, CT Witnesses: Jeremy W. Bliss E. W. Bliss	Patent Dates: Granted: Aug. 10, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Pratt & Whitney Co.

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