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| Patents for Charles M. Arnold | |||||
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| Number | Date | Patentee | Title | Type | |
| 211,371 | Jan. 14, 1879 | J.R. Bailey | Improvement in Hatchets | axes | |
| 392,146 | Oct. 30, 1888 | J.A. Corey | Improvements in Wheel-Wrenches | axle nut wrenches that lock nut to wheel hub | |