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US Patent: 2,555,479
Variable Discharge Pump and Control Therefor
Patentee: Carl F. Erikson (exact or similar names) - White Plains, Westchester County, NY USPTO Classifications: 91/476, 91/504 Tool Categories: industrial machines : pumps : reciprocating pumps Assignees: Nathan Mfg. Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 11, 1947 Granted: Jun. 05, 1951 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Nathan Mfg. Co.

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