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| Patents for Robert Hermance | |||||
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| Number | Date | Patentee | Title | Type | |
| RE4,311 | Mar. 28, 1871 | C.W. Hermance | Steam Road Wagon | steam traction engines | |
| 195,927 | Oct. 09, 1877 | R. Hermance | Lifting Jacks | lifting tools | |