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US Patent: 227,407
Cutter-head
Patentee: Herman I. Berterman (exact or similar names) - Baltimore, MD USPTO Classifications: 144/219 Tool Categories: woodworking machines : machine and tool cutters : cutterheads Assignees: None Manufacturer: Not known to have been produced Witnesses: R. D. Williams John C. Gittinger	Patent Dates: Applied: Mar. 18, 1880 Granted: May 11, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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