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US Patent: 245,134
Upright drill
Patentee:
George M. Coburn (exact or similar names) - Waltham, MA

USPTO Classifications:
408/101

Tool Categories:
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. F. Stone
M. J. Larkin

Patent Dates:
Applied: Oct. 04, 1880
Granted: Aug. 02, 1881

Patent Pictures:
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