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| Patents for George E. Truax | |||||
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| Number | Date | Patentee | Title | Type | |
| 466,717 | Jan. 05, 1892 | G.E. Truax | Ore-car | mining apparatus | |
| 545,433 | Aug. 27, 1895 | G.E. Truax | Ore-car | mining apparatus | |
| 607,785 | Jul. 19, 1898 | G.E. Truax | Ore-car | mining apparatus | |