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| All Patents in class 184/37 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 597,698 | Jan. 18, 1898 | W.F. Van Guysling | Lubricator | ||
| 655,090 | Jul. 31, 1900 | O.O. Kittleson | Automatic Lubricator | ||
| 826,923 | Jul. 24, 1906 | W.W. Dingee | Automatic Means for Feeding Liquids | ||
| 993,292 | May 23, 1911 | H.C. Clay | Oil Pump | ||
| 1,251,702 | Jan. 01, 1918 | R.H. Silcock | Automatic Feeding Mechanism for Hard Grease Cups | ||
 | 1,637,869 | Aug. 02, 1927 | C.W. Manzel | Lubricating Apparatus | |
| 2,359,905 | Oct. 10, 1944 | B.E. Folke | Actuating Means for Mechanical Lubricators | ||