|
| US5153997 | 11 Oct 1991 | 13 Oct 1992 | Ergonomic Tool Associates | Ergonomic scissors |
| US5232000 | 20 Jul 1992 | 3 Aug 1993 | Ergonomic Tool Associates | Method of cutting hair |
| US5730750 | 8 Apr 1996 | 24 Mar 1998 | | Intraoral tissue trimming device |
| US6129622 | 26 Aug 1998 | 10 Oct 2000 | | Pair of scissors for cutting shellfish |
| US6158128 | 19 Jul 1999 | 12 Dec 2000 | | Meat and poultry scissors |
| US6752054 | 28 Dec 2000 | 22 Jun 2004 | Irwin Industrial Tool Company | Utility cutting tool having toggle link mechanism field of the invention |