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| Patents for Oliver W. Kelly | |||||
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| Picture | Number | Date | Patentee | Title | |
| 306,403 | Oct. 14, 1884 | L.F. Dieter, O.W. Kelly | Traction Engine | ||
 | 307,398 | Oct. 28, 1884 | L.F. Dieter, O.W. Kelly | Traction Engine | |
 | 310,443 | Jan. 06, 1885 | O.W. Kelly, L.F. Dieter | Traction Engine | |
| 336,649 | Feb. 23, 1886 | L.F. Dieter, O.W. Kelly | Traction Wheel | ||
| 336,650 | Feb. 23, 1886 | L.F. Dieter, O.W. Kelly | Traction Wheel | ||