| Number | Date | Country | Kind |
|---|---|---|---|
| 001 656 620 | Jan 2010 | EP | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| D167491 | Witty | Aug 1952 | S |
| 2679893 | Bennett | Jun 1954 | A |
| 3399926 | Hehn | Sep 1968 | A |
| D219212 | Eames | Nov 1970 | S |
| 4072341 | Kurz | Feb 1978 | A |
| D274199 | Saiger | Jun 1984 | S |
| 5570926 | Papiernik et al. | Nov 1996 | A |
| 6715839 | Legal | Apr 2004 | B2 |
| D491377 | Le Gall | Jun 2004 | S |
| D532621 | Lin | Nov 2006 | S |
| D580672 | Le Gal et al. | Nov 2008 | S |