| Number | Date | Country | Kind |
|---|---|---|---|
| 40 2010 003 322 | Jun 2010 | DE | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 769615 | Kosansvich | Sep 1904 | A |
| 2162853 | Massey | Jun 1939 | A |
| 2960248 | Kuhlman | Nov 1960 | A |
| 3369691 | Wei | Feb 1968 | A |
| D244256 | Dekker | May 1977 | S |
| D287211 | Weiss | Dec 1986 | S |
| D323615 | Carlstrom | Feb 1992 | S |
| D344017 | Lang et al. | Feb 1994 | S |
| 5657895 | Rogge | Aug 1997 | A |
| 5887740 | Hong | Mar 1999 | A |
| D466814 | Hurlburt | Dec 2002 | S |
| D485017 | Noh | Jan 2004 | S |
| D487697 | Rosen | Mar 2004 | S |
| D538641 | Limber | Mar 2007 | S |
| D543411 | Rittberg | May 2007 | S |
| D570648 | Bodum | Jun 2008 | S |
| D572592 | Chang | Jul 2008 | S |
| D605529 | Holtrop | Dec 2009 | S |
| D627604 | Eyal | Nov 2010 | S |
| D639661 | Llerena | Jun 2011 | S |
| D639663 | Llerena | Jun 2011 | S |
| D641257 | Thiebaut et al. | Jul 2011 | S |
| D641629 | Miceli et al. | Jul 2011 | S |
| D652682 | Eyal | Jan 2012 | S |