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US Patent: 252,704
Combined Drill and Countersink
Patentee:
William H. Southwick - New Bedford, Bristol County, MA

USPTO Classifications:
408/223, 408/224

Tool Categories:
metalworking machines : drilling and boring : drill bits
metalworking machines : drilling and boring : drill bits : metalworking countersinks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George D. Seymour
Herman Moran
E. J. Nottingham

Patent Dates:
Applied: Aug. 26, 1881
Granted: Jan. 24, 1882

Patent Pictures:
USPTO pdf tiff
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Description:
H. A. Seymour - patent attorney

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