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| All Patents in class 148/210 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 82,607 | Sep. 29, 1868 | F.C. Curie | Improvement in the Manufacture of Axes, Hammers, etc. | |
 | 1,008,261 | Nov. 07, 1911 | A.A. Harvie | Hardened Corners Process | |