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| Patents for Amos F. Champlin | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 183,798 | Oct. 31, 1876 | A.F. Champlin | Improvement in Tools for Sharpening Drills | |
 | 519,941 | May 15, 1894 | A.F. Champlin | Reversing Mechanism for Metal Shaping and Planing Machines | |