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| US4712928 | 11 août 1986 | 15 déc. 1987 | SKF Kugallagerfabriken | Ring fastener for machine parts |
| US5219254 | 14 févr. 1992 | 15 juin 1993 | | Expandable fastener and locking means therefor |
| US7364395 | 21 nov. 2005 | 29 avr. 2008 | General Motors Corporation | Snap ring design with anti-rotation structures at outer diameter |
| US8215884 | 16 déc. 2008 | 10 juil. 2012 | Lockheed Martin Corporation | Connector for use in high vibration environment |
