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| All Patents in class 366/255 | |||||
| Number | Date | Patentee | Title | Type | |
| 52,273 | Jan. 30, 1866 | W.M. Doty, E.P. Doty, E. Doty | Washing-machine and churn-power | washing machines | |
| 364,308 | Jun. 07, 1887 | R.A. Shepherd | Churn | churns | |