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| Patents for William A. Allen | |||||
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| Number | Date | Patentee | Title | Type | |
| 28,649 | Jun. 12, 1860 | J.D. Chism | Shingle-machine | shingle machines | |
| 110,415 | Dec. 27, 1870 | W.A. Allen | Improvement in wood-splitting machines | wood splitting machines | |
| 248,686 | Oct. 25, 1881 | W.A. Allen | Machine for sawing kindling-wood | firewood machines | |