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| Patents for John H. Coss | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 697,836 | Apr. 15, 1902 | J.G. Gorham | Screw-driver | |
 | 822,449 | Jun. 05, 1906 | A. Harrold | The Harrold feedworks mechanism for sawmill carriages | |
| 848,548 | Mar. 26, 1907 | A. Harrold | Guide for saws | ||