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US Patent: 322,324
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Patentee: James A. Roberts (exact or similar names) - Detroit, MI USPTO Classifications: 144/250.1, 492/45 Tool Categories: woodworking machines : cutter head machines : wood planers Assignees: Roberts Duplex Planing Machine Tool Co. - Detroit, MI Manufacturer: Roberts Duplex Planing Machine Tool Co. - Detroit, MI Witnesses: Cyrus E. Lothrop Sumner Collins	Patent Dates: Applied: Jan. 10, 1885 Granted: Jul. 14, 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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