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US Patent: 64,292
Improvement in hose-couplings
Patentee:
Joseph W. Douglas (exact or similar names) - Middletown, CT

USPTO Classifications:
285/408, 403/288, 403/303, 403/314, 403/343, 403/352, 403/367

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

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

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

Witnesses:
John L. S. Roberts
William T. Elmer

Patent Dates:
Granted: Apr. 30, 1867

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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