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| Patents for Jan Brons | |||||
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| Picture | Number | Date | Patentee | Title | |
| 644,814 | Mar. 06, 1900 | J. Brons | Rotary Engine | ||
| 922,383 | May 18, 1909 | J. Brons | Hydrocarbon Engine | ||
| 1,759,776 | May 20, 1930 | J. Brons | Multicylinder Combustion Motor | ||