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| Patents for Orrin C. Harris | |||||
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| Number | Date | Patentee | Title | Type | |
| 175,977 | Apr. 11, 1876 | O.C. Harris | Improvement in machines for forming cheese-boxes | box making machines | |
| 222,352 | Dec. 09, 1879 | O.C. Harris | Steam Road-Wagon | steam road engines | |