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US Patent: 229,881
Pump Valve
Patentee: Harvey F. Gaskill (exact or similar names) - Lockport, Niagara County, NY USPTO Classifications: 137/533.21, 137/906 Tool Categories: industrial machines : pumps : pump valves Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 23, 1880 Granted: Jul. 13, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Holly Mfg. Co.

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