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US Patent: 614,307
Oil Cup
Patentee: Elijah McCoy (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 184/86 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: The Detroit Sheet Metal and Brass Works - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 02, 1898 Granted: Nov. 15, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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