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| Patents for John B. Carter | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 75,793 | Mar. 24, 1868 | A.G. Ritz | Improvement in shingle-machines | |
 | 91,872 | Jun. 29, 1869 | J.B. Carter, A.G. Ritz | Improvement in shingle machine | |