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Patents for William M. Doty | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 52,273 | Jan. 30, 1866 | W.M. Doty, E.P. Doty, E. Doty | Washing-machine and churn-power | |
![]() | 56,910 | Aug. 07, 1866 | W.M. Doty, E.P. Doty, E. Doty | Improvement in washing-machines | |
![]() | 73,701 | Jan. 28, 1868 | E.P. Doty, E. Doty | Improved washing-machine | |
![]() | 78,940 | Jun. 16, 1868 | W.M. Doty | Improved washing-machine |