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| Patents for F. Culham | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-76 | Sep. 27, 1869 | F. Culham | Improvements on thrashing machines | threshers and thrashers | |
| CA-973 | May 09, 1871 | F. Culham | Improvements on thrashing machines | threshers and thrashers | |