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| All Patents in class 384/415 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,037,217 | Sep. 03, 1912 | F. Diehl | Lubricating device | ||
| 2,077,880 | Apr. 20, 1937 | R.J. Gits | Lubricating Mechanism | ||
| 2,663,599 | Dec. 22, 1953 | T.R. Mackay | Line Shaft Guide Bearing | ||
 | 2,813,763 | Nov. 19, 1957 | A.C. Eisenhart | Lubricant cooling system | |