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All Patents in class 68/117
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
26,572Dec. 27, 1859L.A. DoleWashing-machinewashing machines
52,273Jan. 30, 1866W.M. Doty, E.P. Doty, E. DotyWashing-machine and churn-powerwashing machines
56,910Aug. 07, 1866E.P. Doty, E. Doty, W.M. DotyImprovement in washing-machineswashing machines
73,701Jan. 28, 1868E.P. Doty, E. DotyImproved washing-machinewashing machines
78,940Jun. 16, 1868W.M. DotyImproved washing-machinewashing machines
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