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| Patents for William L. Young | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 12,452 | Feb. 27, 1855 | W.L. Young | Machine for cutting barrel-heads | |
 | 131,648 | Sep. 24, 1872 | W.L. Young | Machine for making escalator treads | |
| 311,501 | Feb. 03, 1885 | W. Lucas | Sawing-machine | ||