| Number | Date | Country | Kind |
|---|---|---|---|
| 00267432-0001 | Dec 2014 | EP | regional |
| 002607432-0006 | Dec 2014 | EP | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 958502 | Kennedy | May 1910 | A |
| 5163194 | Dixon | Nov 1992 | A |
| 5226188 | Liou | Jul 1993 | A |
| 5299851 | Lin | Apr 1994 | A |
| 5771514 | Wilhoit | Jun 1998 | A |
| 5802644 | Scheurer | Sep 1998 | A |
| D448228 | Davis | Sep 2001 | S |
| 6345401 | Frydman | Feb 2002 | B1 |
| 6513179 | Pan | Feb 2003 | B1 |
| D507142 | Akamatsu | Jul 2005 | S |
| 6951038 | Ganoe, Sr. | Oct 2005 | B1 |
| D511213 | Hasegawa | Nov 2005 | S |
| D516855 | Akamatsu | Mar 2006 | S |
| D677506 | Lai | Mar 2013 | S |
| D707982 | Chin | Jul 2014 | S |
| D737073 | Hawkins | Aug 2015 | S |
| 9138084 | Namolovan | Sep 2015 | B1 |
| 20030177582 | Gohl | Sep 2003 | A1 |
| 20040010853 | Muci | Jan 2004 | A1 |
| 20050102756 | Martin | May 2005 | A1 |
| 20080155753 | Cretsinger | Jul 2008 | A1 |
| 20080244832 | Kuo | Oct 2008 | A1 |
| 20110061167 | Farley | Mar 2011 | A1 |
| 20110078860 | Sun | Apr 2011 | A1 |
| 20130291311 | Wang | Nov 2013 | A1 |
| 20140026323 | Bowers | Jan 2014 | A1 |
| 20140115789 | Ramdath | May 2014 | A1 |
| 20140283305 | Zysman | Sep 2014 | A1 |
| 20150040322 | Cheng | Feb 2015 | A1 |
| 20150272354 | Asklof | Oct 2015 | A1 |
| 20150313365 | Thomas | Nov 2015 | A1 |
| 20160007671 | Prust | Jan 2016 | A1 |
| 20160022063 | Fulkerson | Jan 2016 | A1 |