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| All Patents in class 184/32 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,066,238 | Jul. 01, 1913 | F.D. Winkley | Lubricator | tool lubricators | |
| 1,262,979 | Apr. 16, 1918 | W.H. Putnam | Force-feed lubricator | lubricators | |
| 1,267,302 | May 21, 1918 | F.D. Winkley | Lubricator | lubricators | |
| 2,013,478 | Sep. 03, 1935 | E.C. Read | Lubricating system | ||