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US Patent: 1,622,209
Boring and Reaming Tool
Patentee:
Charles B. Robinson (exact or similar names) - Wilmington, OH

USPTO Classifications:
408/147, 408/214

Tool Categories:
woodworking tools : hand drills : drill bits : tapered reamers

Assignees:
The Irwin Auger Bit Company - Wilmington, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 27, 1925
Granted: Mar. 22, 1927

Patent Pictures: [ 1 | 2 ]
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