| Number | Date | Country | Kind |
|---|---|---|---|
| DM/032 625 | Mar 1995 | XHX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D324713 | Rubin | Mar 1992 | |
| D341863 | Cavasin | Nov 1993 | |
| 5028058 | Olsen | Jul 1991 | |
| 5171033 | Olsen et al. | Dec 1992 | |
| 5340132 | Malewicz | Aug 1994 | |
| 5439238 | Neal | Aug 1995 | |
| 5470085 | Melbock et al. | Nov 1995 |