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