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US Patent: 1,947,430
Lubricator
Patentee: John De Mooy (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 173/169, 173/179, 184/55.1 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine lubrication Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 15, 1930 Granted: Feb. 13, 1934 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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