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| Patents for George F. Willis | |||||
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| Number | Date | Patentee | Title | Type | |
| 426,895 | Apr. 29, 1890 | J.F. Keith, G.F. Willis | Knee and head-block for saw-mills | sawmill headblocks | |
| 588,653 | Aug. 24, 1897 | G.M. Pelton | Band-saw mill | band sawmills | |