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US Patent: 379,243
Lubricator
Patentee: James Powell (exact or similar names) - Cincinnati, OH USPTO Classifications: 184/51 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 26, 1886 Granted: Mar. 13, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for William Powell Co.

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