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| Patents for Clarence J. Luther | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 593,964 | Nov. 16, 1897 | C.J. Luther | Grinding Machine | |
 | 1,132,663 | Mar. 23, 1915 | C.J. Luther | Honing Implement for Chisels, &c. | |
 | 1,182,095 | May 09, 1916 | C.J. Luther | Gear-casing | |