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US Patent: 155,850
Improvement in shingle-block sappers and bolters
Patentees:
James Nichols (exact or similar names) - Limestone, NY
John F. Bassett (exact or similar names) - Limestone, NY

USPTO Classifications:
83/708

Tool Categories:
woodworking machines : specialty woodworking machines : shingle machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 06, 1874
Granted: Oct. 13, 1874

Patent Pictures:
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