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| Patents for Alexander Campbell | |||||
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| Number | Date | Patentee | Title | Type | |
| AI251 | Oct. 04, 1859 | J. Campbell, W. Campbell, A. Campbell | Cornplanter | ||
| 118,205 | Aug. 22, 1871 | T. Crispin | Improvement in machines for cutting lath-bolts | lath making machines | |