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| Patents for Charles N. Walsh | |||||
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| Number | Date | Patentee | Title | Type | |
| 818,718 | Apr. 24, 1906 | W.N. Rumely, C.N. Walsh | Engine Governor | traction engine governors | |
| 841,819 | Jan. 22, 1907 | C.N. Walsh, W.N. Rumely | Governor | traction engine governors | |
| 841,832 | Jan. 22, 1907 | W.N. Rumely, C.N. Walsh | Centrifugal Governor | traction engine governors | |