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| All Patents in class 251/77 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 511,661 | Dec. 26, 1893 | C. Stein | Gas and Oil Motor Engine | ||
| 2,043,194 | Jun. 02, 1936 | L.W. Eggleston | Valve | ||
| 2,151,658 | Mar. 21, 1939 | B.E. Folke | Injector | ||
| 2,192,117 | Feb. 27, 1940 | D.D. Wile | Control Device | ||
| 2,214,272 | Sep. 10, 1940 | E.J. Dillman | Fuel Supply Control Means | ||
| 2,259,280 | Oct. 14, 1941 | D.D. Wile | Control Device | ||
| 2,297,872 | Oct. 06, 1942 | E.J. Dillman, W.E. Cowley, F.Y. Carter | Control Apparatus | ||
| 2,782,802 | Feb. 26, 1957 | B. Sassen | Hydraulic Control System | ||