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| All Patents in class 241/223 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 200,361 | Feb. 12, 1878 | S.R. Thompson | Improvement in bark-cutting machines | |
 | 1,121,684 | Dec. 22, 1914 | O.C. Wysong | Dovetailing-machine | |