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| Patents for John H. Roberts | |||||
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| Number | Date | Patentee | Title | Type | |
| 36,953 | Nov. 18, 1862 | W. Harris | Tire-rolling machine | wheelwright | |
| 165,757 | Jul. 20, 1875 | J.H. Roberts | Improvement in scroll-sawing machines | scrollsaws | |
| 397,976 | Feb. 19, 1889 | R.R. Doan | Road Engine | steam road engines | |