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| All Patents in class 280/43 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 141,375 | Jul. 29, 1873 | C.O. Nason | Improvement in Plows | |
 | 481,186 | Aug. 23, 1892 | G. Moore | Combined Clevis and Gage Wheel | |
 | 1,308,537 | Jul. 01, 1919 | I.A. Weaver | Towing device | |