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| Patents for James A. Elston | |||||
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| Number | Date | Patentee | Title | Type | |
| 131,510 | Sep. 24, 1872 | J.A. Elston | Improvement in sawing-machines | drag saws | |
| 154,855 | Sep. 08, 1874 | J.A. Elston | Improvement in stump-sawing machines | tree felling machines | |