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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: 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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