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US Patent: 72,436
Improvement in Boring Tools
Auger & Rounder for Installing Casters
Patentee:
Albert Wippo (exact or similar names) - Chicago, IL

USPTO Classifications:
30/495, 408/189, 408/206

Tool Categories:
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. B. Marrs
L. L. Coburn
Patent Dates:
Granted: Dec. 17, 1867

Patent Pictures: [ 1 | 2 ]
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