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US Patent: 403,657
Lubricating Device
Patentee: John B. Glover (exact or similar names) - Dubuque, Dubuque County, IA USPTO Classifications: 184/73 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 13, 1889 Granted: May 21, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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