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| All Patents in class 431/354 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 10,985 | May 30, 1854 | C. Gregg | Vise | |
 | 1,431,633 | Oct. 10, 1922 | G. Clements | Gas furnace and blowtorch | |
| 4,576,574 | Mar. 18, 1986 | R.E. Schantz | Gas Horseshoe Forge | ||