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| All Patents in class 83/237 | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,122 | Oct. 11, 1853 | J.A. Elder | Machine for cutting binders' boards | specialty woodworking machines | |
| 314,221 | Mar. 24, 1885 | C.M. Carnahan | Machine for Splitting Bars and Sheets of Iron or Steel | punch presses | |