| Number | Name | Date | Kind |
|---|---|---|---|
| 5217224 | Sincock | Jun 1993 | A |
| 5370306 | Schulze et al. | Dec 1994 | A |
| 5533727 | DeMar | Jul 1996 | A |
| 5766075 | Cook et al. | Jun 1998 | A |
| 5816918 | Kelly et al. | Oct 1998 | A |
| 5910048 | Feinberg | Jun 1999 | A |
| 6012983 | Walker et al. | Jan 2000 | A |
| 6048269 | Burns et al. | Apr 2000 | A |
| 6193608 | Walker et al. | Feb 2001 | B1 |
| 6227972 | Walker et al. | May 2001 | B1 |
| 6244958 | Acres | Jun 2001 | B1 |
| 6254482 | Walker et al. | Jul 2001 | B1 |
| 6319125 | Acres | Nov 2001 | B1 |
| 6377669 | Walker et al. | Apr 2002 | B1 |
| Number | Date | Country |
|---|---|---|
| 2211975 | Jul 1989 | GB |
| 500706 | Apr 2000 | NZ |
| 330189 | Jul 2000 | NZ |
| 983158 | Oct 1999 | ZA |
| Entry |
|---|
| Abstract of New Zealand 500706. |
| Abstract of New Zealand 330189. |