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| Patents for John O'Toole | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-12,141 | Dec. 18, 1880 | A.J. McDonell | Railway Nut Wrench | socket wrenches | |
| 1,384,209 | Jul. 12, 1921 | J. O'Toole | Spark-plug-adjusting device | spark plug adjusting | |