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US Patent: 997,400
Lubricator
Patentee: Elijah McCoy (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 184/104.1, 184/50.1, 184/96 Tool Categories: propulsion and energy : steam engines : steam engine lubricators Assignees: Penberthy Injector Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 06, 1908 Granted: Jul. 11, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Penberthy Injector Co.

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