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US Patent: 319,430
brace or drill with alternating rotation
Patentee:
Charles Snedekum (exact or similar names) - Bat City, MI

USPTO Classifications:
74/74, 81/34

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 02, 1885

Patent Pictures:
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