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| Patents for Charles W. Willett | |||||
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| Number | Date | Patentee | Title | Type | |
| 733,103 | Jul. 07, 1903 | G.F. Steedman, C.W. Willett | Automatic lumber-trimmer | circular saws | |
| 865,142 | Sep. 03, 1907 | C.W. Willett | Lath-mill | lath making machines | |
| 868,956 | Oct. 22, 1907 | C.W. Willett | Gang lath-bolter | sawmill feed works | |