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| Patents for Frederick Elsworth Sickels | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 4,202 | Sep. 19, 1845 | F.E. Sickels | Mode of connecting steam-cylinders with steam-chests | |
| 5,765 | Sep. 12, 1848 | F.E. Sickels | Method of Controlling Motive Power | ||
 | RE565 | Jun. 01, 1858 | F.E. Sickels | Improvement in the mode of connecting steam-cylinders with steam-chests | |