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| Patents for John Jack | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 11,788 | Oct. 10, 1854 | J. Jack | Saw-gummer | |
 | 1,132,551 | Mar. 23, 1915 | C. Bouillon | Mechanism for relieving the teeth of cutters | |
 | 1,288,036 | Dec. 17, 1918 | G.H. Knight | Shaper | |