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| All Patents in class 15/351 | |||||
| Number | Date | Patentee | Title | Type | |
| 197,459 | Nov. 27, 1877 | C.A. Corman | Wrench | combination tools | |
| 1,431,634 | Oct. 10, 1922 | G. Clements | Adjustable rear support for vacuum cleaners | handheld power blowers | |
| 1,706,280 | Mar. 19, 1929 | O.K. Dyer | Automatic shutter | ||