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| All Patents in class 184/97 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 361,435 | Apr. 19, 1887 | E. McCoy | Lubricator Attachment | ||
| 837,790 | Dec. 04, 1906 | W.E. Bryant | Automatic Checks for Feed Glasses and Water by Passes for Lubricators | ||
 | 1,083,906 | Jan. 06, 1914 | L. Kassander | Lubricator | |