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US Patent: 582,915
Railroad-tie boring and trimming machine
Patentee: Alexander B. B. Harris (exact or similar names) - Bristol, TN USPTO Classifications: 104/5, 144/133.2, 144/3.1, 144/4.4 Tool Categories: metalworking machines : drilling and boring woodworking machines : specialty woodworking machines : railroad machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: May 18, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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