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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: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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