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| Patents for William T. Hatten | |||||
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| Number | Date | Patentee | Title | Type | |
| 641,451 | Jan. 16, 1900 | W.T. Hatten | Wrench | quick adjust wrenches | |
| CA-67,634 | Jun. 06, 1900 | C.E. Guernsey, W.T. Hatten | Wrench | quick adjust wrenches | |