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| Patents for John Osborn | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,785X | Dec. 06, 1823 | J. Osborn | Straw Cutting Machine | hay or straw cutters | |
| 139,554 | Jun. 03, 1873 | W. Detrick, J.D. Culver | Improvement in sawing-machines | drag saws | |