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| All Patents in class 37/376 | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,398 | Oct. 13, 1857 | B. Holmes, E. Holmes | Ditching Machine | excavators | |
| 115,084 | May 23, 1871 | E. Claringdon, S. Miller | Excavator | excavators | |