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US Patent: 19,834
Portable pump
Patentees:
Benjamin Douglas (exact or similar names) - Middletown, CT
William Douglas (exact or similar names) - Middletown, CT

USPTO Classifications:
417/544, 92/100

Tool Categories:
household : water and plumbing : household hand pumps

Assignees:
None

Manufacturer:
W. & B. Douglas - Middletown, CT

Witnesses:
Joseph K. F. Mansfield, 2nd
John M. Douglas

Patent Dates:
Granted: Apr. 06, 1858

Patent Pictures:
USPTO (New site tip)
Google Patents
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Vintage Machinery entry for W. & B. Douglas
Description:
This pump "is especially applicable to watering gardens, syringing plants, washing windows, and like purposes."

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