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| Patents for Charles A. Swanson | |||||
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| Number | Date | Patentee | Title | Type | |
| 410,384 | Sep. 03, 1889 | C.A. Swanson | Wrench | alligator wrenches | |
| 1,363,288 | Dec. 28, 1920 | C.A. Swanson | Mower-guard | hay or straw cutters | |