|
| US3977077 | 2 sept. 1975 | 31 août 1976 | CBS Inc. | Convertible swivel knife |
| US4192066 | 31 mars 1978 | 11 mars 1980 | | Anti-rape device |
| US4414974 | 9 juin 1981 | 15 nov. 1983 | General Conveyors Limited | Microsurgical knife |
| US4523379 | 2 mai 1984 | 18 juin 1985 | Tekna | Knife with retractable sheath |
| US5414933 | 30 nov. 1993 | 16 mai 1995 | | Cutting device |
| US6536115 | 30 oct. 1998 | 25 mars 2003 | | Automatically retractable safety utility knife |
| US6979340 | 9 avr. 2004 | 27 déc. 2005 | | Single use, self-contained twist resistant surgical knife |
| US7024773 | 23 mai 2003 | 11 avr. 2006 | | Safety cutter with retracting guard |
| US7387637 | 21 avr. 2004 | 17 juin 2008 | Becton, Dickinson and Company | Surgical knife safety handle |
| US7901422 | 31 oct. 2007 | 8 mars 2011 | Beaver-Visitec International (US), Inc. | Surgical knife safety handle |
| US7905894 | 31 oct. 2007 | 15 mars 2011 | Beaver-Visitec International (US), Inc. | Surgical knife safety handle |
| US7909840 | 19 oct. 2005 | 22 mars 2011 | Beaver-Visitec International (US), Inc. | Surgical knife safety handle having user operable lock |
