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| All Patents in class 101/351.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 638,906 | Dec. 12, 1899 | J. Connell | Machine for printing on boards | box making machines | |
| 1,837,617 | Dec. 22, 1931 | H.B. Greenwood | Bearing support for composition inking rollers | ||