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US Patent: 282,685
Expanding Reamer
Patentee:
John Thornton, Jr. (exact or similar names) - Brooklyn, NY

USPTO Classifications:
408/156, 408/171

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. H. Franlin
R. J. Hearne
Patent Dates:
Applied: Apr. 14, 1883
Granted: Aug. 07, 1883

Patent Pictures:
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