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| Patents for Frederick W. Recknagel | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,651,554 | Sep. 08, 1953 | F.W. Recknagel | Antifriction bearing structure | industrial machine bearings | |
| 3,054,164 | Sep. 18, 1962 | F.W. Recknagel | Method of producing and assembling antifriction bearings | industrial machine bearings | |