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| Patents for William D. Vernam | |||||
| Number | Date | Patentee | Title | Type | |
| 113,174 | Mar. 28, 1871 | S.R. Kenyon | Corn Picking and Husking Machine | miller | |
| 121,384 | Nov. 28, 1871 | S.R. Kenyon | Picking - Husking Corn | miller | |