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| All Patents in class 68/99 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 5,714X | Nov. 12, 1829 | E. Berry | Washing machine | ||
| 6,999X | Apr. 14, 1832 | S. Minton | Washing machine | ||
| 9,655X | May 14, 1836 | L.R. Prince | Washing machine | ||
 | 23,081 | Mar. 01, 1859 | L.A. Dole | Washing-machine | |