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| Patents for Leopold F. Burger | |||||
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| Picture | Number | Date | Patentee | Title | |
| 598,496 | Feb. 08, 1898 | L.F. Burger | Gas Engine | ||
| 666,260 | Jan. 22, 1901 | L.F. Burger | Gas Engine | ||
| 816,215 | Mar. 27, 1906 | L.F. Burger | Tandem Gas Engine | ||