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| Patents for William E. Headen | |||||
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| Number | Date | Patentee | Title | Type | |
| 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 | ||