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Patents for Alpheus B. Corby | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 77,462 | May 05, 1868 | A.B. Corby | Improvement in churns | |
![]() | 135,467 | Feb. 04, 1873 | A.B. Corby | Improvement in machines for pointing pickets |