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| All Patents in class 60/805 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 550,742 | Dec. 03, 1895 | W.R. Campbell | Rotary Gas Engine | ||
| 611,813 | Oct. 04, 1898 | G.A. Marconnett | Thermal Expansion Engine | ||
| 1,061,206 | May 06, 1913 | N. Tesla | Turbine | ||
| 1,828,782 | Oct. 27, 1931 | G.P. Welch, B. Morton | Gas Turbine | ||