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US Patent: RE9,885
Device for raising tailing from mines
Patentee: Wilford Alford Rogers (exact or similar names) - Folsom, CA USPTO Classifications: 406/153 Tool Categories: Assignees: Joshua Hendy - San Francisco, CA Manufacturer: Joshua Hendy Iron Works - San Francisco, CA Witnesses: J. L. Boone W. F. Clark	Patent Dates: Applied: May 14, 1881 Granted: Sep. 27, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Joshua Hendy Iron Works

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