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| Patents for T. Olmsted | |||||
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| Number | Date | Patentee | Title | Type | |
| 84,505 | Dec. 01, 1868 | L.H. Olmsted | Improvement in paper-files | office worker | |
| 100,656 | Mar. 08, 1870 | L.H. Olmsted | Improvement in card-racks | office worker | |