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| Patents for Dauphine S. Hines | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,320 | Jul. 24, 1855 | H.R. Worthington | Water-meter | water meters | |
| 14,749 | Apr. 22, 1856 | H.R. Worthington | Completing the throw of the valves of direct-acting engines by the exhaust-steam | steam engine valve gear | |