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US Patent: 170,297
Lubricator
Patentee: Charles H. Parshall (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 184/51 Tool Categories: transportation : railroads : steam engines : steam engine lubricators Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 13, 1875 Granted: Nov. 23, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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