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| Patents for William McConnell | |||||
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| Number | Date | Patentee | Title | Type | |
| 97,210 | Nov. 23, 1869 | W. McConnell | Improvement in molding-machine | molders | |
| 466,717 | Jan. 05, 1892 | G.E. Truax | Ore-car | mining apparatus | |
| 494,518 | Mar. 28, 1893 | H. Bolthoff | Brake mechanism | industrial elevators and lifts | |
| 515,896 | Mar. 06, 1894 | H. Bolthoff | Mortar for stamp-mills | ore processing apparatus | |