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| Patents for W. B. Thomson | |||||
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| Number | Date | Patentee | Title | Type | |
| RE8,115 | Mar. 12, 1878 | H.S. Bartholomew | Improvement in Bit-Stocks | brace chucks | |
| 271,947 | Feb. 06, 1883 | E. Thomson | Commutator for Dynamo Machines | motor commutators | |