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| Patents for George Byron Kirkham | |||||
| Number | Date | Patentee | Title | Type | |
| 107,921 | Oct. 04, 1870 | G.B. Kirkham | Treadle | human powered apparatus | |
| 113,776 | Apr. 18, 1871 | G.B. Kirkham | Treadle | human powered apparatus | |