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| Patents for John W. Emerson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 369,781 | Sep. 13, 1887 | J.W. Emerson, A.C. Starbird | Feed mechanism for saw-mill carriages | |
| 878,512 | Feb. 11, 1908 | J.W. Emerson | Logging Truck | ||