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| Patents for Ella V. Eisenhuth | |||||
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| Picture | Number | Date | Patentee | Title | |
| 620,431 | Feb. 28, 1899 | J.W. Eisenhuth | Explosive-Engine for Vehicles | ||
| 620,554 | Feb. 28, 1899 | J.W. Eisenhuth | Air and Gas Engine | ||