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| Patents for Charles E. Allen | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 253,273 | Feb. 07, 1882 | T. Fitzsimmons | Cutters for planing and molding machines | |
 | 273,650 | Mar. 06, 1883 | C.J. Weld | Shingle-machine | |
 | 286,586 | Oct. 16, 1883 | L.D. Bullock | Machine for jointing fellies | |
| 310,571 | Jan. 13, 1885 | T. Fitzsimmons | Cutter-head | ||
| 322,816 | Jul. 21, 1885 | J.M. Moore, A.M. Ford | Machine for planing and finishing thin pieces of wood | ||
| 400,660 | Apr. 02, 1889 | H.C. Gilbert | Machine for grinding Shimer-molding bits, &c. | ||