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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:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for W. & B. Douglas

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