| Number | Date | Country | Kind |
|---|---|---|---|
| DM/066 838 | Apr 2005 | WO | international |
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|---|---|---|---|
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| D146524 | Robbins | Mar 1947 | S |
| D186990 | Berland | Jan 1960 | S |
| D264197 | Smugala | May 1982 | S |
| D348626 | Bedoyan | Jul 1994 | S |
| D427538 | Kern | Jul 2000 | S |
| 6397633 | Wu | Jun 2002 | B1 |
| 20040194501 | Gruosi-Scheufele | Oct 2004 | A1 |