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| US4784611 | 18 août 1987 | 15 nov. 1988 | | Locking plug |
| US4909749 | 27 janv. 1989 | 20 mars 1990 | | Electrical sockets |
| US5286213 | 27 janv. 1993 | 15 févr. 1994 | | Locking receptacle |
| US5409393 | 3 sept. 1993 | 25 avr. 1995 | Laurence/Wayne, Inc. | Locking mechanism |
| US5562485 | 6 sept. 1994 | 8 oct. 1996 | White Consolidated Industries, Inc. | Wiring connection |
| US5641298 | 1 août 1995 | 24 juin 1997 | | Locking device for plug-socket electrical connector |
| US5921799 | 14 août 1997 | 13 juil. 1999 | | Electrical receptacle with releasable locking mechanism |
| US5967815 | 19 mars 1998 | 19 oct. 1999 | Marc A. Schlessinger | Variable orientation switching type electrical receptacle |
| US6254924 | 8 janv. 1998 | 3 juil. 2001 | General Cable Technologies Corporation | Paired electrical cable having improved transmission properties and method for making same |
| US7500854 | 2 nov. 2005 | 10 mars 2009 | | Electrical power distribution apparatus having a rotatable socket |
| USD429694 | 11 sept. 1998 | 22 août 2000 | Marc A. Schlessinger | Housing and bracket portions of an electrical receptacle |
