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| Patents for Cotton Foss | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,507X | Aug. 02, 1826 | C. Foss | Application of steam to the blast of furnaces | steel making furnaces | |
| 4,552X | Oct. 25, 1826 | C. Foss | Bark mill | bark processing machines | |
| 5,505X | Jun. 11, 1829 | C. Foss | Churn | churns | |
| 7,193X | Aug. 04, 1832 | C. Foss | Spiral pump | pumps | |
| 7,194X | Aug. 04, 1832 | C. Foss | Inclined water wheel | water wheels | |
| 6,399 | Apr. 24, 1849 | C. Foss | Machine for making grindstones | ||