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| Patents for J. R. Brittain | |||||
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| Number | Date | Patentee | Title | Type | |
| 445,356 | Jan. 27, 1891 | J.B. Perault | Wrench | brace wrenches | |
| 464,168 | Dec. 01, 1891 | A.C. Whittier | Pipe Wrench | pipe wrenches | |