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| All Patents in class 493/416 | |||||
| Number | Date | Patentee | Title | Type | |
| 23,445 | Apr. 05, 1859 | C. Chambers, Jr. | Paper Folding Machine | ||
| 878,632 | Feb. 11, 1908 | T.C. Hook | Machines for Turning the Edges of Sheet Material | cardboard box making machines | |