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| All Patents in class 184/48.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 467,273 | Jan. 19, 1892 | F.N. Gardner, C.H. Besly | Force-feed lubricator | grease cups | |
| 843,833 | Feb. 12, 1907 | C.C. Martens | Grease Cup | grease cups | |
| 1,173,659 | Feb. 29, 1916 | J.S. Goldberg | Grease Cup | ||
| 1,175,134 | Mar. 14, 1916 | S. Dawson | Grease-cup | grease cups | |