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| Patents for George Challoner | |||||
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| Number | Date | Patentee | Title | Type | |
| 49,228 | Aug. 08, 1865 | G. Challoner | Improvement in shingle-machines | shingle machines | |
| 115,932 | Jun. 13, 1871 | G. Challoner | Improvement in shingle-machines | shingle machines | |
| 214,490 | Apr. 22, 1879 | G. Challoner | Improvement in shingle-sawing machines | shingle machines | |