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US Patent: 311,679
Cutter-head
Patentee: James A. Roberts (exact or similar names) - Detroit, MI USPTO Classifications: 144/204, 144/224 Tool Categories: woodworking machines : machine and tool cutters : cutterheads Assignees: Roberts Duplex Planing Machine Tool Co. - Detroit, MI Manufacturer: Roberts Duplex Planing Machine Tool Co. - Detroit, MI Witnesses: A. O. Carter William M. Dwight	Patent Dates: Applied: Sep. 17, 1884 Granted: Feb. 03, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Roberts Duplex Planing Machine Tool Co.

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