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| Patents for Charles H. Knight | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 561,592 | Jun. 09, 1896 | C.H. Knight | Sawmill set-works | |
| 806,349 | Dec. 05, 1905 | C.H. Knight | Sawmill set-works | ||
 | 1,561,649 | Nov. 17, 1925 | C.H. Knight | Setworks for sawmills | |