| Number | Date | Country | Kind |
|---|---|---|---|
| 0503636-0001/0003 | Mar 2006 | EM | regional |
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|---|---|---|---|
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| D316019 | Belanger | Apr 1991 | S |
| D398204 | Lee | Sep 1998 | S |
| D404622 | Singleton | Jan 1999 | S |
| D412432 | Bokros | Aug 1999 | S |
| 6105824 | Singleton | Aug 2000 | A |
| 6170709 | Huang | Jan 2001 | B1 |
| D505845 | Lin et al. | Jun 2005 | S |
| D510243 | Lee | Oct 2005 | S |
| D514406 | Lee | Feb 2006 | S |
| D535167 | Monfeli et al. | Jan 2007 | S |