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US Patent: 1,541,866
Automatic Oil Feeding Apparatus
Patentee: Martin Sorensen (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 184/103.2 Tool Categories: industrial tools : tool lubricators : oil pumps Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 15, 1920 Granted: Jun. 16, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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