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| Patents for Henry Averill | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,190X | Aug. 14, 1828 | H. Averill | Machine for washing and pressing clothes | ||
| 5,473X | Apr. 30, 1829 | H. Averill | Mill for Grinding Grain, Paints, &c. | grinding mills | |
| 6,095X | Oct. 01, 1830 | H. Averill | Water wheel for propelling canal boats | nautical propulsion apparatus | |
| 6,203X | Oct. 21, 1830 | H. Averill | Water wheel for propelling grist mills | water wheels | |
| 8,267X | Jun. 18, 1834 | H. Averill | Water wheel, for saw and grist mills | water wheels | |