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| Patents for William B. Risdon | |||||
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| Number | Date | Patentee | Title | Type | |
| 289,715 | Dec. 04, 1883 | W.B. Risdon | Insertable saw-tooth | insertable saw teeth | |
| 298,892 | May 20, 1884 | W.B. Risdon | Insertable saw-tooth | insertable saw teeth | |
| 337,083 | Mar. 02, 1886 | W.B. Risdon | Saw-tooth | insertable saw teeth | |
| 362,661 | May 10, 1887 | W.B. Risdon | Wrench | pipe wrenches | |