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US Patent: 79,781
Rotary Pump Improvement in Rotary Fluid-Elevators
Patentee: Stephen P. Ruggles (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 418/126, 418/182, 418/198, 418/206.2, 418/33 Tool Categories: industrial machines : pumps : rotary pumps Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Jul. 07, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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