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US Patent: 102,396
Improvement in machines for sawing shingle-bolts
Patentee:
Matthew Hart (exact or similar names) - Boston, MI

USPTO Classifications:
83/409, 83/435.23, 83/477.2, 83/676

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Samuel Hartt
Thomas J. Slayton

Patent Dates:
Granted: Apr. 26, 1870
Antedated: Apr. 23, 1870

Patent Pictures:
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