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| Patents for John W. Brittin | |||||
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| Number | Date | Patentee | Title | Type | |
| 241,920 | May 24, 1881 | J.W. Brittin | Bit-stock | braces | |
| 254,275 | Feb. 28, 1882 | F. Chantrell | Adjustable socket-wrench | socket wrenches | |