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| Patents for H. C. Yawn | |||||
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| Number | Date | Patentee | Title | Type | |
| 725,469 | Apr. 14, 1903 | J.H. Miner | Saw | insertable saw teeth | |
| 1,048,848 | Dec. 31, 1912 | J.H. Miner | Cleat or lag for conveyer-chains | waste collection mechanisms | |