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| Patents for Léon Paul Charles Malandin | |||||
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| Picture | Number | Date | Patentee | Title | |
| 333,838 | Jan. 05, 1886 | E. Delamare-Deboutteville, L.P. Malandin | Gas Engine | ||
| RE10,951 | Jul. 31, 1888 | L.P. Malandin, E. Delamare-Deboutteville | Gas Engine | ||
| 400,754 | Apr. 02, 1889 | L.P. Malandin, E. Deamare-Deboutteville | Motive Power Engine | ||
| 411,644 | Sep. 24, 1889 | L.P. Malandin, E.D. Deboutteville | Starting Gear for Gas Engines | ||
| 424,099 | Mar. 25, 1890 | L.P. Malandin, E.F. Delamare-Debouteville | Governor for Gas Engines and Other Like Motors | ||