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| All Patents in class 91/309 | |||||
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| Number | Date | Patentee | Title | Type | |
| 245,777 | Aug. 16, 1881 | B. Brazelle | Steam pumping-engine | steam pumping engines | |
| 384,336 | Jun. 12, 1888 | W. Ross, G. Ross | Water-engine valve | ||