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| Patents for W. L. Cushman | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 307,398 | Oct. 28, 1884 | L.F. Dieter, O.W. Kelly | Traction Engine | |
![]() | 310,443 | Jan. 06, 1885 | L.F. Dieter, O.W. Kelly | Traction Engine | |