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| Patents for Samuel Collins | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,585X | Sep. 11, 1822 | S. Collins | Forge hollow fire | ||
| 3,683X | Apr. 10, 1823 | S. Collins | Scraps and bars of iron converted into cast steel | ||
| 4,542X | Sep. 26, 1826 | S. Collins | Machine for raising earth, mud, etc. | ||
 | 106,404 | Aug. 16, 1870 | P.H. Pitts | Turning Lathe | |