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US Patent: 152,332
Improvement in oilers
Patentee: Dexter H. Chamberlain (exact or similar names) - West Roxbury, MA USPTO Classifications: 222/211, 222/214, 222/376, 222/397 Tool Categories: industrial tools : tool lubricators : oil cans Assignees: None Manufacturer: Not known to have been produced Witnesses: Alban Andrén John R. Heard	Patent Dates: Applied: Apr. 25, 1874 Granted: Jun. 23, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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