| Number | Name | Date | Kind |
|---|---|---|---|
| 4040759 | Skalle | Aug 1977 | A |
| 4143857 | Weiner | Mar 1979 | A |
| 4614181 | Karlsson | Sep 1986 | A |
| 4681302 | Thompson | Jul 1987 | A |
| 4854767 | Sasaki | Aug 1989 | A |
| 5011325 | Antoniol | Apr 1991 | A |
| 5022781 | Smith | Jun 1991 | A |
| 5123773 | Yodock | Jun 1992 | A |
| 5197601 | Sterett | Mar 1993 | A |
| 5259154 | Lilley | Nov 1993 | A |
| 5387049 | Duckett | Feb 1995 | A |
| D363789 | Weid | Oct 1995 | S |
| 5498101 | Braverman | Mar 1996 | A |
| 5611641 | Christensen | Mar 1997 | A |
| 5639179 | Jensen | Jun 1997 | A |
| D385362 | Rossetti | Oct 1997 | S |
| D400264 | Striefel et al. | Oct 1998 | S |
| 5836714 | Christensen | Nov 1998 | A |
| 5988934 | Wasserstrom | Nov 1999 | A |
| 6059487 | Haga et al. | May 2000 | A |
| 6059491 | Striefel et al. | May 2000 | A |
| 6086285 | Christensen | Jul 2000 | A |
| D462126 | Englund | Aug 2002 | S |
| 6837647 | Tagg | Jan 2005 | B2 |
| 6913415 | Tagg | Jul 2005 | B1 |
| D519646 | Wilmotte | Apr 2006 | S |
| D533281 | Christensen et al. | Dec 2006 | S |
| 20020025221 | Johnson | Feb 2002 | A1 |
| 20030219308 | Boulais et al. | Nov 2003 | A1 |
| 20040057790 | Tagg | Mar 2004 | A1 |
| Number | Date | Country |
|---|---|---|
| B-5024193 | Aug 1994 | AU |
| 0 550 362 | Jul 1993 | EP |