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| Patents for John Seymour | |||||
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| Number | Date | Patentee | Title | Type | |
| 293,065 | Feb. 05, 1884 | J.F. Palmer | Traction Engine | traction engine steering apparatus | |
| 293,066 | Feb. 05, 1884 | J.F. Palmer | Traction Engine | traction engine steering apparatus | |
| 293,067 | Feb. 05, 1884 | J.F. Palmer | Traction Engine | traction engine steering apparatus | |