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US Patent: 1,265,888
Expansible Reamer
Patentee:
Delano H. Dugar (exact or similar names) - Elyria, OH

USPTO Classifications:
408/170

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Feb. 03, 1917
Granted: May 14, 1918

Patent Pictures:
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