| Number | Date | Country | Kind |
|---|---|---|---|
| 3025870 | Sep 2006 | GB | national |
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| D387912 | Fildan | Dec 1997 | S |
| D388964 | Gouldson | Jan 1998 | S |
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| D413446 | Gouldson | Sep 1999 | S |
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| D435973 | Gouldson | Jan 2001 | S |
| D440410 | Gouldson | Apr 2001 | S |
| D453423 | Goldman et al. | Feb 2002 | S |