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| All Patents in class 384/43 | |||||
| Number | Date | Patentee | Title | Type | |
| 851,728 | Apr. 30, 1907 | W.J. Bayrer | Spindle-drive | drill presses | |
| 3,086,824 | Apr. 23, 1963 | C.R. Barkley | Antifriction bearing construction having orbiting ball arrangement | industrial machine bearings | |
| 4,120,538 | Oct. 17, 1978 | W.E. Headen | Pillow Block Including Plurality of Self-Aligning Linear Motion Bearings | ||
| 4,128,278 | Dec. 05, 1978 | G.N. Levesque, W.E. Headen | Linear Motion Ball Bearing with Dynamic Stiffness | ||