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US Patent: 35,802
Improvement in pumps Improved side force-pump
Patentee: Benjamin Douglas (exact or similar names) - Middletown, CT USPTO Classifications: 248/74.4 Tool Categories: household : water and plumbing : household hand pumps Assignees: W. & B. Douglas - Middletown, CT Manufacturer: W. & B. Douglas - Middletown, CT Witnesses: George M. Smith John M. Douglas	Patent Dates: Granted: Jul. 01, 1862 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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