| Number | Date | Country | Kind |
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| 1997-1169 | May 1997 | CAX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D306696 | Futter | Mar 1990 | |
| D364342 | Ruff | Nov 1995 | |
| D385782 | Harries | Nov 1997 | |
| D391157 | Snitzer et al. | Feb 1998 | |
| 4146131 | Hoffman et al. | Mar 1979 | |
| 4842141 | Segal | Jun 1989 | |
| 5335772 | Chervenak et al. | Aug 1994 | |
| 5462161 | Halaburda et al. | Oct 1995 |
| Entry |
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