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US Patent: 200,992
Improvement in machines for ripping, surfacing and matching lumber
Patentee: John Du Bois (exact or similar names) - Williamsport, PA USPTO Classifications: 144/37 Tool Categories: woodworking machines : cutter head machines : matchers Assignees: None Manufacturer: Not known to have been produced Witnesses: P. T. Dodge W. C. Dodge	Patent Dates: Applied: Apr. 12, 1877 Granted: Mar. 05, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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