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US Patent: 22,107
Device for clamping and feeding bolts in felly-sawing machines
Patentee:
Derwin E. Butler (exact or similar names) - Chesterfield, OH

USPTO Classifications:
408/54

Tool Categories:
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. N. Butler
L. M. Thorp
Patent Dates:
Granted: Nov. 23, 1858

Patent Pictures:
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