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| All Patents in class 29/898.066 | |||||
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| Number | Title | Classification(s) | |||
| 2,466,123 | Method of making spindle bearings | 29/898.066, 451/142 | |||
| 2,651,554 | Antifriction bearing structure | 29/453, 29/898.066, 384/504 | |||