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| Patents for S. H. Roper | |||||
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| Number | Date | Patentee | Title | Type | |
| 34,333 | Feb. 04, 1862 | S.H. Roper | Hot Air Engine | hot air engines | |
| 34,723 | Mar. 18, 1862 | S.H. Roper | Air Engine | hot air engines | |
| 38,866 | Jun. 09, 1863 | S.H. Roper | Hot Air Engine | hot air engines | |