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| All Patents in class 68/124 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,540X | Dec. 17, 1834 | W.C. Kniffin | Lever power washing machine | washing machines | |
| 9,305X | Jan. 06, 1836 | J.H. Hubbard | Washing machine | washing machines | |