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US Patent: 282,632
Mining Machine
Patentee: Martin Hardsocg (exact or similar names) - Avery, IA USPTO Classifications: 173/145, 173/35 Tool Categories: specialty machines : mining apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Benjamin Milleson John L. Anderson	Patent Dates: Applied: May 04, 1883 Granted: Aug. 07, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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