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US Patent: 233,231
Oil Pump
Patentees: Harvey F. Gaskill (exact or similar names) - Lockport, Niagara County, NY Josiah G. Benton (exact or similar names) - Titusville, Crawford County, PA USPTO Classifications: 92/72 Tool Categories: specialty machines : oilfield machinery Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 24, 1880 Granted: Oct. 12, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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