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| US4592347 | 4 Dic 1984 | 3 Jun 1986 | | Retraction device |
| US5047046 | 13 Jul 1988 | 10 Sep 1991 | | Surgical forceps |
| US5236437 | 14 Jul 1992 | 17 Ago 1993 | | Surgical instrument assembly and associated technique |
| US5250074 | 14 Jul 1992 | 5 Oct 1993 | | Surgical instrument assembly and associated technique |
| US5578043 | 11 Oct 1994 | 26 Nov 1996 | | Delivery helmet for low birth weight infants |
| US5626606 | 11 Jul 1995 | 6 May 1997 | | Laparoscopic tissue retrieval forceps |
| US5674243 | 3 Ago 1995 | 7 Oct 1997 | | Obstetrical forceps |
| US5849017 | 19 Sep 1996 | 15 Dic 1998 | The University of Western Ontario Stevenson-Lawson Building | Moulded plastic obstetric forceps |
| US6425899 | 24 Oct 2001 | 30 Jul 2002 | Fraunhofer-Gesellschaft zur Frderung der angewandten Forschung e.V. | Obstetric forceps |
