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| Patents for Charles E. Ball | |||||
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| Number | Date | Patentee | Title | Type | |
| 238,631 | Mar. 08, 1881 | C.E. Ball | Dynamo or Magneto-Electric Machine | electric generators | |
| 255,236 | Mar. 21, 1882 | C.E. Ball | Electric drill | handheld power drills | |