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| Patents for Willy Seck | |||||
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| Number | Date | Patentee | Title | Type | |
| 517,890 | Apr. 10, 1894 | W. Seck | Gas or Hydrocarbon Engine | internal combustion engines | |
| 549,939 | Nov. 19, 1895 | W. Seck | Marine Hydrocarbon Motor | oil engines | |