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US Patent: 142,669
Improvement in cutter-heads
Patentee: Edwin Benjamin (exact or similar names) - Chicago, IL USPTO Classifications: 144/225 Tool Categories: woodworking machines : machine and tool cutters : cutterheads Assignees: Samuel W. Pease - Chicago, IL Manufacturer: Not known to have been produced Witnesses: G. L. Chapin W. C. Bruson	Patent Dates: Applied: May 06, 1872 Granted: Sep. 09, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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