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| Patents for William O. Belt | |||||
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| Number | Date | Patentee | Title | Type | |
| 474,300 | May 03, 1892 | G. McKercher | Pipe Wrench | pipe wrenches | |
| 486,697 | Nov. 22, 1892 | A.J. Curtis | Wrench | quick adjust wrenches | |
| 516,644 | Mar. 20, 1894 | N. Chase | Hammer Or Hatchet | hammers | |
| 1,058,441 | Apr. 08, 1913 | W.D. Kelly | Woodworking-machine | dovetailing machines | |
| 1,245,240 | Nov. 06, 1917 | W.D. Kelly | Woodworking-machine | dovetailing machines | |