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| Patents for William Landon Covel | |||||
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| Number | Date | Patentee | Title | Type | |
| 815,269 | Mar. 13, 1906 | W.L. Covel | Saw Swaging Machine | saw swages | |
| 934,046 | Sep. 14, 1909 | W.L. Covel | Saw Swaging Machine | saw swages | |