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| Patents for Fletcher L. Walker | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,207,103 | Dec. 05, 1916 | H.G. Dittbenner, F.L. Walker | Band-saw mill | ||
 | 1,259,569 | Mar. 19, 1918 | H.G. Dittbenner, F.L. Walker | Band-saw mill | |
 | 1,260,837 | Mar. 26, 1918 | F.L. Walker, H.G. Dittbenner | Upper saw-guide | |