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| Patents for Ethan Baldwin | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,425X | May 06, 1826 | E. Baldwin | Railway with a lift of 16 feet | elevators and lifts | |
| 7,395X | Jan. 28, 1833 | E. Baldwin | Steam applying | ||
| 8,587X | Jan. 13, 1835 | E. Baldwin | Rotary steam engine and boiler | steam engines | |