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US Patent: 1,883,282
Lubicating Apparatus
Patentee: Oscar U. Zerk (exact or similar names) - Chicago, IL USPTO Classifications: 222/474, 222/509, 222/518, 425/458 Tool Categories: Assignees: Alemite Corp. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Apr. 26, 1930 Granted: Oct. 18, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Grease Gun Buyers Guide Biography of Oscar Zerk

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