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US Patent: 60,207
Improved Countersink Bit
Patentee:
Henry C. Lewis - Essex, CT

USPTO Classifications:
408/214, 408/223

Tool Categories:
woodworking tools : hand drills : drill bits : countersinks

Assignees:
None

Manufacturer:
Snell Manufacturing Co. - Fiskdale, MA
H. C. Lewis Co. - Essex, CT

Witnesses:
Albert Pratt
Henry L. Pratt

Patent Dates:
Granted: Dec. 04, 1866

Patent Pictures: [ 1 | 2 ]
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