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| All Patents in class 60/690 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 4,317 | Dec. 20, 1845 | J. Ericsson | Compound Steam Engine | ||
| 121,388 | Nov. 28, 1871 | O.P. Lewis | Compound Engine and Pump | ||
| 434,497 | Aug. 19, 1890 | J. Baird | Steam Engine | ||
| 655,232 | Aug. 07, 1900 | C.L. Heisler | Pumping Engine | ||