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US Patent: 192,979
Improvement in portable pumps
Patentee: Joseph W. Douglas (exact or similar names) - Middletown, CT USPTO Classifications: 92/161 Tool Categories: household : water and plumbing : household hand pumps Assignees: W. & B. Douglas - Middletown, CT Manufacturer: W. & B. Douglas - Middletown, CT Witnesses: Frederick E. Gibbons John M. Douglas	Patent Dates: Applied: Jun. 13, 1877 Granted: Jul. 10, 1877 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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