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| Patents for P. Hyatt | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 100,656 | Mar. 08, 1870 | L.H. Olmsted | Improvement in card-racks | |
![]() | 212,867 | Mar. 04, 1879 | L.H. Olmsted | Improvement in coin-holders | |