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| All Patents in class 60/514 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,996X | Feb. 11, 1828 | I. Jennings | High pressure steam engine | steam engines | |
| 786,321 | Apr. 04, 1905 | D.M. Small | Combined Engine and Boiler | steam engines | |