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| Patents for John Roehm | |||||
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| Number | Date | Patentee | Title | Type | |
| 555,717 | Mar. 03, 1896 | C.J. Weinman, E.E. Euchenhofer | Gas-engine | ||
| 941,508 | Nov. 30, 1909 | E.E. Euchenhofer | Cushion-tire for vehicles | ||