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US Patent: 714,939
Combined bit-brace and chain and bench drill
Patentee:
Stephen McClellan (exact or similar names) - Brooklyn, NY

USPTO Classifications:
408/101, 408/92

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Eiermann
R. C. Deveau
Patent Dates:
Granted: Dec. 02, 1902

Patent Pictures:
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