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| Patents for E. Wilbur Rice | |||||
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| Number | Date | Patentee | Title | Type | |
| 271,947 | Feb. 06, 1883 | E. Thomson | Commutator for Dynamo Machines | motor commutators | |
| 281,416 | Jul. 17, 1883 | E. Thomson | Dynamo Electric Machine | motor armatures | |