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US Patent: 194,638
Improvement in machines for boring pump-logs
Patentee: William C. Barker (exact or similar names) - Horseheads, NY USPTO Classifications: 144/93.1, 82/165 Tool Categories: woodworking machines : wood drilling and boring Assignees: None Manufacturer: Not known to have been produced Witnesses: Frank Galt J. C. Schroeder	Patent Dates: Applied: Aug. 17, 1877 Granted: Aug. 28, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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