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| Patents for Gustave Dahlberg | |||||
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| Picture | Number | Date | Patentee | Title | |
| 633,338 | Sep. 19, 1899 | E. Uhlin, J. Clicquennoi, G. Dahlberg | Gas and Steam Convertable Engine | ||
| RE12,021 | Aug. 19, 1902 | E. Uhlin, J. Clicquennoi, G. Dahlberg | Gas and Steam Convertable Engine | ||
| RE12,024 | Aug. 26, 1902 | G. Dahlberg, E. Uhlin, J. Clicquennoi | Gas and Steam Convertible Engine | ||