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US Patent: 159,962
Lubricator for Steam Engines
Patentee: James Powell (exact or similar names) - Cincinnati, OH USPTO Classifications: 184/51 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: None Manufacturer: William Powell Co. - Cincinnati, Hamilton County, OH Witnesses: Herman Merrell B. Drahmann Jason L. Ewin Henry Tanner	Patent Dates: Applied: Oct. 21, 1871 Granted: Feb. 16, 1875 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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