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| Patents for John F. Walker | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,007 | Aug. 18, 1857 | H.H. Baker | Rotary planing-cutter | cutterheads | |
| 577,259 | Feb. 16, 1897 | A. Kastor | Combined corkscrew and pocket-knife | corkscrew knives | |