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US Patent: 1,499,468
Lubricator
Patentee: Elijah McCoy (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 184/53 Tool Categories: propulsion and energy : steam engines : steam engine lubricators Assignees: Edwin C. Nagel - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 02, 1922 Granted: Jul. 01, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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