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| All Patents in class 400/613 | |||||
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| Number | Date | Patentee | Title | Type | |
| 79,265 | Jun. 23, 1868 | C.L. Sholes, S.W. Soule, C. Glidden | Type Writing Machine | office worker | |
| 687,167 | Nov. 19, 1901 | A.H. Roovers, A.W. Roovers | Die press | ||