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| Patents for Walter A. Smith | |||||
| Number | Date | Patentee | Title | Type | |
| 1,752,512 | Apr. 01, 1930 | W.A. Smith | Combined mop and brush holder | ||
| 1,799,483 | Apr. 07, 1931 | W.A. Smith | Method of and machine for making one-piece mop heads | ||
| 1,968,622 | Jul. 31, 1934 | W.A. Smith | Mopstick | ||