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| All Patents in class 91/245 | |||||
| Number | Date | Patentee | Title | Type | |
| 1,283,145 | Oct. 29, 1918 | J.C. Gaskill | Steam Engine | steam engines | |
| 1,293,713 | Feb. 11, 1919 | H.A. Chuse | Steam Engine | steam engine valves | |
| 1,650,642 | Nov. 29, 1927 | H.G. Mueller | Steam Engine | steam engines | |
| 1,650,643 | Nov. 29, 1927 | H.G. Mueller | Steam Engine | steam engines | |