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| US4722697 | 10 Nov 1986 | 2 Feb 1988 | Toyota Jidosha Kabushiki Kaisha | Apparatus for transferring a driving force to jig unit |
| US4801272 | 10 Feb 1987 | 31 Jan 1989 | Canon Kabushiki Kaisha | External pack connector |
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| US7566045 | 20 Mar 2003 | 28 Jul 2009 | Cameron International Corporation | Hydraulic coupler |
| US7641487 | 21 Mar 2006 | 5 Jan 2010 | Vetco Gray Controls Limited | Connection device |
| US7722375 | 14 Nov 2008 | 25 May 2010 | Siemens Aktiengesellschaft | Plug connection device designed to connect two function elements for signal and power transmission |
