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| All Patents in class 241/298 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 144,588 | Nov. 11, 1873 | S.A. Woods | Improvement in planing-machines | |
 | 239,073 | Mar. 22, 1881 | E. Totman | Metallic burr or grinding-ring | |
 | 2,922,590 | Jan. 26, 1960 | P.N. Bland | Chipper knife supporting means | |