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| Patents for Ruby Robinson | |||||
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| Number | Date | Patentee | Title | Type | |
| 854,688 | May 21, 1907 | A.J. Brown | Controller-operating means | motor controls | |
| 854,704 | May 21, 1907 | W.J. Richards | Dynamo-electric machine | motor commutators | |
| 872,641 | Dec. 03, 1907 | W.F. Bouché | Shaft-oscillator | electric motors | |