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| All Patents in class 165/81 | |||||
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| Number | Date | Patentee | Title | Type | |
| 215,807 | May 27, 1879 | G.H. Corliss | Cylinder of Steam-Engines | ||
| 232,821 | Oct. 05, 1880 | B. Holly | Steam Heating Radiator | steam heating | |