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| All Patents in class 184/39 | |||||
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| Number | Date | Patentee | Title | Type | |
| 94,780 | Sep. 14, 1869 | N. Seibert | Improvement in lubricators | lubricators | |
| RE8,740 | Jun. 03, 1879 | N. Seibert | Improvement in lubricators | lubricators | |
| 441,407 | Nov. 25, 1890 | J.L. Grandison | Lubricator | steam engine lubricators | |
| 491,224 | Feb. 07, 1893 | T. Poore | Lubricator | tool lubricators | |
| 728,698 | May 19, 1903 | G.C. Full | Lubricator for Steam Engines | steam engine lubricators | |