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US Patent: 326,517
Lubricator
Patentee: James Powell (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 184/86 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: None Manufacturer: William Powell Co. - Cincinnati, Hamilton County, OH Witnesses: James H. Layman Samuel S. Carpenter Ed. F. Herlinger	Patent Dates: Applied: Apr. 06, 1885 Granted: Sep. 15, 1885 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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