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| Patents for J. B. Crandall | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 78,309 | May 26, 1868 | C.G. Miller | Improvement in bench-drills | |
![]() | 88,893 | Apr. 13, 1869 | C.G. Miller | Improvement in saw-filing machines | |