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US Patent: 306,679
Pump
Patentee: Joseph W. Douglas (exact or similar names) - Middletown, CT USPTO Classifications: 417/434, 417/548 Tool Categories: household : water and plumbing : household hand pumps Assignees: Joseph W. Douglas - Middletown, CT W. & B. Douglas - Middletown, CT Manufacturer: W. & B. Douglas - Middletown, CT Witnesses: E. G. Camp G. A. Craig	Patent Dates: Applied: Sep. 05, 1883 Granted: Oct. 14, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. & B. Douglas

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