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US Patent: 507,020
Machine for making parts of pianoforte-actions
Patentee: Eben B. Mansfield (exact or similar names) - Maplewood, MA USPTO Classifications: 144/3.1, 144/365, 144/371, 408/25 Tool Categories: trade specific : music instrument maker Assignees: Frank G. Kincaid - Maplewood, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 08, 1892 Granted: Oct. 17, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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