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| All Patents in class 418/263 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 85,892 | Jan. 19, 1869 | E. Adams | Water Wheel | ||
| 144,722 | Nov. 18, 1873 | P. Worrall | Rotary-Engines | ||
| 244,558 | Jul. 19, 1881 | D.L. Cross | Rotary Steam Engine | ||
| 442,963 | Dec. 16, 1890 | J.H. Eichler | Rotary Gas Engine | ||
| 461,130 | Oct. 13, 1891 | F. Meyer | Rotary Engine | ||
| 461,161 | Oct. 13, 1891 | A. Grant, J.S. Kiehl, F. Meyer | Rotary Steam Engine | ||
| 462,614 | Nov. 03, 1891 | A. Beard | Rotary Engine | ||
| 570,470 | Nov. 03, 1896 | L. Gathman | Rotary Gas Engine | ||