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US Patent: 201,646
Improvement in ore crushers and grinders
Patentee: Charles M. Brown (exact or similar names) - Chicago, IL USPTO Classifications: 241/213 Tool Categories: specialty machines : ore processing apparatus Assignees: None Manufacturer: Gates Iron Works - Chicago, IL H. H. Scoville - Chicago, IL Witnesses: H. H. Scoville, Jr. Frederick Hague	Patent Dates: Applied: Jun. 23, 1877 Granted: Mar. 26, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for H. H. Scoville

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