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| All Patents in class 235/29R | |||||
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| Number | Date | Patentee | Title | Type | |
| RE71 | Jul. 08, 1845 | W. Woodworth | Woodworth planer | wood planers | |
| 8,019 | Apr. 01, 1851 | W. Campbell, H. Gross | Improvement in Machines for Cutting Screws on Bedstead-Rails | wood threading machines | |