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| All Patents in class 172/345 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 79,604 | Jul. 07, 1868 | A.D. Shaver | Riding Attachment for Harrows | ||
 | 869,354 | Oct. 29, 1907 | C.D. Edwards | Grading-machine | |