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US Patent: 44,548
Improvement in rock and ore crushers
Patentee: David Dick (exact or similar names) - Meadville, PA USPTO Classifications: 126/44, 431/201 Tool Categories: specialty machines : ore processing apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: John S. Hollingshead John D. Bloor	Patent Dates: Granted: Oct. 04, 1864 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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