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| Patents for Hawley N. Bidwell | |||||
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| Number | Date | Patentee | Title | Type | |
| 734,214 | Jul. 21, 1903 | C.H. Bidwell | Threshing Machine | threshers and thrashers | |
| 766,161 | Aug. 02, 1904 | C.H. Bidwell | Threshing Machine | threshers and thrashers | |