| Number | Date | Country | Kind |
|---|---|---|---|
| 001664251 | Feb 2010 | EM | regional |
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|---|---|---|---|
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| D294733 | Peterson et al. | Mar 1988 | S |
| D430288 | Mason et al. | Aug 2000 | S |
| D430289 | Mason et al. | Aug 2000 | S |
| 6305908 | Hermann et al. | Oct 2001 | B1 |
| D461241 | Moberg et al. | Aug 2002 | S |
| D461891 | Moberg | Aug 2002 | S |
| 7931620 | De Polo et al. | Apr 2011 | B2 |