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| Patents for Otis Cole | |||||
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| Number | Date | Patentee | Title | Type | |
| 122,670 | Jan. 09, 1872 | J. Siddons | Improvement in metallic roofing | roofs | |
| 122,671 | Jan. 09, 1872 | J. Siddons | Improvement in metallic roofing | roofs | |