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US Patent: 330,536
Device for centering hubs and other blocks
Patentee: Benjamin Wing (exact or similar names) - Vassalborough, ME USPTO Classifications: 144/253.7, 144/278.1, 269/218, 269/227, 269/256, 269/272, 269/287 Tool Categories: trade specific : wheelwright Assignees: None Manufacturer: Not known to have been produced Witnesses: E. S. Mayo S. T. Cannon	Patent Dates: Applied: Mar. 03, 1885 Granted: Nov. 17, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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