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| Patents for Charles H. Luther | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 990,655 | Apr. 25, 1911 | F.O. Jaques, Sr. | Micrometer Calipers | |
 | 991,839 | May 09, 1911 | L. Fuchs | Micrometer Protractor | |
 | 1,021,680 | Mar. 26, 1912 | F.O. Jaques | Micrometer Calipers | |
 | 1,121,632 | Dec. 22, 1914 | F.O. Jaques, Sr. | Micrometer Calipers | |