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All Patents in class 68/50 | |||||
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Number | Date | Patentee | Title | Type | |
649X | Dec. 17, 1805 | J. Hayden, W.J. Folsom | Washing machine | washing machines | |
1,292,780 | Jan. 28, 1919 | C.E. Hoover | Washing-machine | washing machines |