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| Patents for Ransom S. Angell | |||||
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| Number | Date | Patentee | Title | Type | |
| 282,944 | Aug. 14, 1883 | R.S. Angell | Traction Engine | traction engine tracks | |
| 314,285 | Mar. 24, 1885 | R.S. Angell | Traction Engine | steam traction engines | |
| 571,326 | Nov. 17, 1896 | R.S. Angell | Traction Engine | traction engine tracks | |