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| Patents for John J. Croy | |||||
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| Number | Date | Patentee | Title | Type | |
| 16,532 | Feb. 03, 1857 | J.J. Croy | Tool for tenoning spokes | tenoning machines | |
| AI221 | Mar. 01, 1859 | J.J. Croy | Tenoning spokes | tenoning machines | |