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| Patents for A. C. Allen | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,324 | Oct. 06, 1857 | J.S. Cole, H. Stone | Saw-filing machine | saw sharpening machines | |
| 60,297 | Dec. 04, 1866 | J.V. Warner, A.E. Warner | Improvement in sawing machines | drag saws | |