US Patent: 23,649
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| Pump
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Patentees:
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| Benjamin Douglas (exact or similar names) - Middletown, CT |
| William Douglas (exact or similar names) - Middletown, CT |
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Patent Dates:
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| Granted: |
Apr. 12, 1859 |
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Jeff Joslin
Vintage Machinery entry for W. & B. Douglas
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Description: |
| Co-inventor William Douglas was deceased by the time the patent was issued. The patent is an improvement to patent 2,895, specifically to the method of attaching the pump barrel to the base and to the water pump, all to improve ease of installation and maintenance. |
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