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US Patent: 83,366
Tapping Mains
Improved Drill Press
Patentees:
John M. Cullen (exact or similar names) - Pittsburgh, PA
Andrew J. Baird (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
408/92

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 27, 1868

Patent Pictures:
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