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| All Patents in class 15/148 | |||||
| Number | Date | Patentee | Title | Type | |
| 72,677 | Dec. 24, 1867 | T.T. Prosser | Improved brush and mop-head | ||
| 1,752,512 | Apr. 01, 1930 | W.A. Smith | Combined mop and brush holder | ||
| 1,759,768 | May 20, 1930 | H. Tscherning | Mop head | ||