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| All Patents in class 384/472 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,334,535 | Mar. 23, 1920 | C.L. Hawes | Self Lubricating Bearing | |
 | 1,378,658 | May 17, 1921 | F.H. Clement | Lubricator for ball-bearings | |
 | 2,255,662 | Sep. 09, 1941 | A. Gulow | Bearing | |