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US Patent: 309,188
Machine for pulverizing ores, &c.
Patentee: John C. Blevney (exact or similar names) - Newark, NJ USPTO Classifications: 241/260, 241/284 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: George H. Vincent Mary H. Blevney	Patent Dates: Applied: Jan. 26, 1884 Granted: Dec. 16, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John C. Blevney

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